ABANDONMENT.

Statute provisions concerning, 9,

12, 13, 14.

More than two years' public use

constitutes, 264.

May be within two years, 266, 267.
Use which amounts to, 264, 265.
What delay will amount to, 264,
269.

Evidence of, 267, 521.

in interference cases, 483-491.
by non-completion of an appli-
cation, 260.

by non-prosecution of applica-
tion, 265-268.

by non-payment of final fee, 343.
by neglect to prosecute applica-
tion rejected prior to July 8,
1870, 345-348.

ABSTRACT PRINCIPLE.
When reduced to practice patent-
able, 219.

Invention should not be described
as, 298.

ACTION AT LAW.

Arising under patent laws, 24, 25.
trade-mark laws, 39.
copyright laws, 50, 51.
Form of declaration in, 668.
ADMINISTRATOR.

May apply for letters patent, 13,
271.

ADMINISTRATOR (continued.)

for extension, 591.

Form of petition for letters patent
by, 280.

for extension by, 604.
Form of oath on application for
patent by, 318.

for extension by, 606.
AFFIDAVIT. (See Oath, Deposition.)
AFFIRMATION. (See Oath.)
AGENT. (See Attorney.)

ALIEN. (See Foreign Inventor.)
AMENDMENT. (See Examination,
Appeal, Application.)

APPEAL.

To examiners-in-chief. (See Exam-
iner-in-chief.)

To Commissioner in person. (See
Commissioner of Patents.)
To the supreme court of the Dis-
trict of Columbia. (See Su-
preme Court of the District of
Columbia.)

To the Supreme Court of the Uni-
ted States. (See Supreme Court
of the United States.)

APPLICATION FOR LETTERS PATENT.
Fee of $15, payable on filing,

32.

Subject-matter of, 218.

Abandonment of, (See Abandon-

ment.)

675

255.

When inventions must be patented

under a prior, 255.

To be made in writing, 260.

Time to complete and prosecute,
260.

Clerical requirements of, 260.
Should be complete when filed,

261.

Correspondence with the office re-

garding, 261.

Preserved in secrecy pending, 262.
When information will be given
concerning, 262.

Two years' use prior to, allowed,
264.

When considered as continuing,
268.

Is to be by way of petition, 271.
(See Petition.)

To be made by actual inventor
if alive, 271.

When made by joint inventors,

271-274.

May be made by legal represent-
atives, 13, 274, 280.

To include the specification, 284.
To be accompanied by oath, 317.
(See Oath.)
Examination of, (See Examination.)|

Law and date, 59.

Kinds of patents, 59.

Previous examination, 59.

Duration, 59.

Government fees, 60.

Documents required, 60.

Working, 61.

Assignment, 61.

Specification, &c., inspection and
publication of, 61.
Infringements, 61.
Other legal provisions, 61.
ARRANGEMENT OF PARTS. (See Com-
bination.)

ART. (See Abstract Principle, Effect.)
Definition of, 231, 232.

When patentable, 233, 234.
Must be practical, 233.
Lost, 252.

ARTICLE. (See Manufacture.)
ASSIGNEE.

Patent may issue to, 275, 276,
623.
Correspondence to be in the name
of, 277.

Who is an, 278.

Rights of, unaffected by a reissue,

557.
Entitled to the benefit of a dis-
claimer, 612.

ASSIGNEE (continued.)

Rights of, under extension, 599.
Rights of, under extension by act

of Congress, 603.

Cannot apply for an extension,
585.

Form of petition for an, 279.
May apply for reissue if the in-

ventor be dead, 556.

Form of petition for reissue by,
582.

Form of oath by, 583.

Of a partial interest, 276.
Of alien inventors, 633.

ASSIGNMENT. (See Assignee, Licensee,
British Assignments, French
Assignments.)

Before letters patent are obtained,

14, 274-279, 629.
Patent may issue to assignee in
case of, 13, 274, 276.
Should be recorded before patent
issues, 277.

After rejection of, application val-
id, 275.
Ofincomplete invention, only val-
id as a contract, 276.
Stamp required, 278, 627.
Requires no particular form of

words, 278, 624.

Oath and application to be by in-
ventor in case of, 318.
Interests which may be conveyed
by, 624.

Recording of, 277, 626.
Unrecorded, good as between the
parties, 627, 628.
Distinction between, and license,
629, 635.

Effect and construction of, 631.

ASSIGNMENT (continued.)

Whether a particular instrument
amounts to, 624, 325, 631.
Implies no warranty of title, 632.
Of extended term, 599.
In case of reissue, 556-558.
Forms of, 633.

Copy of evidence, 520.
ASSISTANT COMMISSIONER.
How appointed, 1.
Duties of, 5.

ATTORNEYS. (See Power of Attor-
ney.)

Correspondence only with, 261,

281.

Conflicting interests represented
by the same, 262.
Who may appear as, 281.
Patent Office not responsible for
acts of, 281.

Commissioner may refuse to recog-
nize, 6, 281.
AUSTRIA, 61-67.

Law, date, and where recorded, 62.
Kinds of patents, 62.

Previous examination, 62.
Duration, 62.

Government fees, 62.

Documents required, and where
to be left, 63.

Working and prolongation, 63.
Assignments, 63.

Other legal provisions, 63.
Specifications, inspections, and
copies of, 63.

List of patents delivered, 64.
Specifications published, 64.
Proceedings to obtain a patent, 64.
Form of petition, 65.

BADEN, (Grand Duchy of,) 67, 68.

BAVARIA, 68-71.

Law, date, and where recorded,

68.

Kinds of patents, 68.

Previous examination, 69.

Duration, 69.

Annulment, 69.

Government fees, 69.

Documents required, and where

to be left, 69.

Working and extension, 69.

Assignments, 69.

Other legal provisions, 70.
Specifications, inspection, and
copies of, 70.

List of patents delivered, 70.
Specifications published, 70.
Proceedings to obtain a patent,
70.

BELGIUM, 71-77.

Law, date, and where recorded,
71.

Kinds of patents, 71.

Previous examination, 71.
Duration, 71.

Government fees, 71.
Documents required, and where
to be left, 72.
Working and extension, 72.
Assignments, 72.

Specifications, inspection, and
copies of, 72.

List of patents delivered, 73.
Specifications published, 73.
Originals of specifications, 73.
Jurisdiction and legal proceed-
ings, 73.

Causes of nullity, 73.

Proceedings to obtain a patent,

73.

BELGIUM (continued.)

Declaration, 75.

Form of a patent, 76.
Form of transfer of patent, 77.
Form of certificate of reception
of a patent by transfer, 77.
BILL IN EQUITY. (See Equity.)
BOND.

Official, of Commissioner, 4.
Of chief clerk, 4.

CANADA, 112-114.

Patent Office constituted, 113.
Seal, 113.

Rules and regulations, 114.
Deputy Commissioner, 114.
Report, 114.

Who may obtain Patents, 115-117
Who may obtain a patent, 115.
An original inventor, having
foreign patent, must apply
within six months, 116.
Right of assignment, 116.
A resident may obtain, but not
vend, a patent, 116.
Joint applications to be made
by joint inventors, and pat-
ents issue accordingly, 116.
Conditions and Formalities, 117-
119.

Oath or affirmation as to inven-
tion must be made by appli-
cants, 117.

Applicants to elect a domicil in
Canada, 117.

Nature of petition and specifi-
cations, 118.

Drawings to be furnished in
duplicate, with references,
118.

CANADA (continued.)
Working model of invention,
or samples of ingredients, if a
discovery, required, 119.
Contents, Duration, Surrender, Re-
issue of Patents, and Dis-
claimers, 120-123.
Contents of the patent, and
powers granted thereby, 120.
Duration of patent 120.
Patent to be examined and cer-
tified by minister of justice
before delivery, 121.
New patent in case of error, 121.
Patentee may
make disclaimer,

122.

Assignment and Infringement of
Patents, 123-125.
Government of Canada may use
any patented invention by
making reasonable compensa-
tion, 123.

Patents to be assignable, 123.
Penalty for infringement, 124.
Prosecution for infringement,
124.

Court may discriminate in cer-

tain cases, 125.
Defense in such cases, 125.
Nullity, Impeachment, and Void-

ance of Patents, 126-128.
Patents to be void in certain
cases, or valid for only part,
126.

Patents to be conditioned on
manufacture in Canada with-
in three years; importing the
article patented, 126.
Proceedings for impeachment of
patent, 127.

CANADA, (continued.)

Certificate of judgment voiding
patent to be entered, 128.
Judgment to be subject to ap-
peal, 128.

Patents Issued under former Laws,
128, 129.

Existing provincial patents to
remain in force, 128.
Handing over records of patent

offices to Commissioner, 129.
Tariff of Fees, 129–131.

With reference to fees, how and
to whom to be paid, 129.
The Commissioner to have the
power of returning one-half
of the Government fee,
131.
Miscellaneous

Provisions, 131-

137.
Applicant may file a caveat,

132.

Causes why Commissioner may
refuse to grant a patent,
132.
Commissioner to notify appli-

cant of rejection, 133.
Appeal to Governor in Council,

133.

Interfering applications, 133.
Documents in Patent Office to
be open to inspection of the
public, except caveats, 134.
Clerical errors, 134.
Lost or destroyed patent may
be replaced, 134.
Use of patented inventions al-

lowed in foreign ships, 134.
Patent not to affect previous

purchaser of invention, 135.