cant for a patent of invention shall be made after the following form: (Ib.)

of

make oath and solemnly swear, that I verily believe that I am the inventor [or discoverer] of the invention which I call [name of the invention], and for which I solicit a patent by my petition to the Commissioner of Patents, dated the [insert date of petition], and I further make oath that I have been a resident of Canada for one year next before my application. [Signature of deponent.]

Sworn and signed before me this [day of month and year], at [name of place].

[Signature of J. P.],

Justice of the Peace.

The same general form is to be adopted, with such alterations as may be necessitated by circumstances, where the application is made abroad, or by joint inventors, by assignees, heirs, or other legal representatives, in conformity with the patent act, § 11. (Ib.)

206. SPECIFICATION.-The specification accompanying a petition for a patent of inventions shall be made in duplicate, and after the following form: (Ib.)

To all whom it may concern :

Be it known that I, [name of inventor or discoverer, as the case may be,] of [place of residence and trade or profession; if more than one inventor, add his or their names, place of residence, and trade or profession, and word the specification throughout according to circumstances], have invented a new and useful [art, "machine," &c., same as in petition], and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same. [Reference being had to the annexed drawings, where the nature of the case admits of drawings; describe the several drawings, and refer to the parts by letters. Here describe the principle, and the several modes in which the applicant contemplates the application of that principle or character, by which the invention or discovery may be dis

tinguished from other inventions or discoveries.] What I claim in my invention is, [here express the nature and character of the invention in short, without reference to its advantages, and identify the parts claimed, separately or in combination. If the specification is for an improvement or improvements, the original invention should be disclaimed, and the improvement or improvements clearly and separately enumerated, as distinguished from the original object so improved.]

[Place, date, and year.]

Signed in the presence of—

[Signatures of two witnesses, and to be the

same as those who attest the drawing.]

[Signature of inventor.]

207. DRAWINGS.-The drawings illustrating the specification filed with an application for a patent of invention shall be made in accordance with the following directions and form, and furnished in duplicate:

The drawings are to be made on tracing linen, each sheet to be of the size of a foolscap sheet of paper, and the said sheets as few in number as possible. The dif ferent figures of the drawings are to be marked thus: Fig. 1, front view; fig. 2, side view, &c., &c.; and the separate parts are to be marked with letters in the specification and on the drawing sheet itself; the drawing must bear the name of the invention, and be signed by the inventor and the two same witnesses who signed the specification, all after the following general form. The drawings are to be neatly executed, and without colors: [Title of the invention.]

Fig. 1, front view. [Drawing.]

Fig. 2, side view. [Drawing.]

Fig. 3, cross section.

[Drawing.]

Fig. 4, wheel. [Drawing.]

Reference for example:

a. Shaft;

b. Valve;

c. Regulator;

&c., &c., &c.

Certified that this is the drawing referred to in the specification here

208. EXTENSION.-An application to obtain the extension of a former patent to the whole of the Dominion must be accompanied with the former patent itself, with neat duplicate copies of the original specification and drawing, certified by the inventor before the same two witnesses signing the petition; and the said petition shall be made after the following form: (Ib.)

To the Commissioner of Patents,

Ottawa:

I, [names,] of the [locality of residence], in the county of [name of county], in the province of [or elsewhere, as the case may be], being a British subject, [or a resident of Canada for upwards of a year,] and being the discoverer [or inventor] of the subject-matter of a patent granted to me on [day, month, and year], in the province of [Nova Scotia, New Brunswick, or former Province of Canada, or for the Provinces of Ontario and Quebec, as the case may be], which I now produce, and the said subject-matter of my said invention and patent called [name of invention] being not, with my consent, known or used nor on sale in any of the other Provinces of the Dominion, I hereby therefore pray that a patent, under the "Patent Act of 1869," be granted to me, extending the privileges of my former patent over the whole of the Dominion for the remainder of the term mentioned in my former patent, namely, to the [insert day, month, and year at which the former patent was to expire.]

In testimony thereof I have signed in the presence of the two undersigned witnesses at the place and date hereunder mentioned.

[Place and date.]

[Signatures of the two witnesses.]

[Signature of the applicant.]

209. FORM OF PATENT.-A patent of invention will be made after the following form: (Ib.)

[SEAL.]

Canada Patent of Invention.

Whereas in accordance with an act of the Parliament of Canada, called "The Patent Act of 1869," [names of patentee], of the [name of locality], in the province of [name of province], being a resident of Canada, having elected his domicil, for the purpose of the present patent, in [designation in full of domicil elected], having otherwise complied with the requirements of the said act to obtain a patent, and having furnished specification and drawings, one duplicate of each being hereunto annexed as part essential of this present patent, the said specification and drawings being the description and illustration of the said invention called [name of the invention or improvement], of which the said [names] declares himself to be the inventor.

The present patent is granted to him, his heirs, assigns, or other legal representatives, for the period of five years from the date thereof, subject to extension of further periods, in accordance with "The Patent Act of 1869," to confer on the said patentee all the privileges intended to be conferred by the said act, or by the patentee complying with the further obligations required by the said act.

Provided always that the validity of this present patent rests on the truthfulness of the allegations, description, and specification of the said patentee.

The present patent, however, shall cease and determine and be null and void at the end of three years from the date thereof, unless the patentee shall within that period have commenced, and after such commencement carry on, in Canada the construction or manufacture of the said invention, and shall cease and determine and be null and void at the end of eighteen months from the granting thereof, if the patentee or his legal representatives import, or cause to be imported, into Canada the invention for which the patent is granted.

In testimony whereof the present patent has been signed according to the said act, sealed with the seal of the Patent Office, and countersigned in the Department of Agriculture, on the [date, month, and year written in full and prominently.]

Countersigned:

[Signature of the Commissioner of Patents
or of a member of the Privy Council.]

Deputy Commissioner.

This specification will be attached to the patent to form an essential part thereof, and the first folio of the said specification will be sealed at one corner with the seal of the Patent Office. (Ib.)

The present form, otherwise remaining the same, will be altered in some particulars to meet the circumstances of the case when the patent is given to joint inventors, to an assignee or assignees, to legal representatives, or when it is a patent extending a former patent to the whole of the Dominion, or is a reissue, or in any other special case. (Ib.)

210. MODEL. The models required by law must be neat and substantial working models, the dimensions of which are not to exceed, in any case, eighteen inches in their longest side, unless otherwise allowed by special permission previously obtained. Such models must be so constructed as to show exactly every part of the invention and its mode of working. In cases where samples of ingredients and samples of the composition made of such ingredients (neither of which being dangerous or explosive substances) are required by law, they must be contained in glass bottles, properly arranged. Both models and bottles must bear the name of the inventor, the title of the invention, and the date of the application; and they must be furnished to the Patent Office free of every charge, and delivered in good order.

211. FEES.-All fees required by law shall be transmitted with the application to which they appertain in values not subject to any discount, and be better made, whenever practicable, in post-office money-orders, inclosed in registered letters. (Ib.)

212. APPLICATIONS TO BE PERFECTED WITHIN TWO