ceed in the gazette, or, in case of opposition to great seal, twelve days before the expiration of provisional protection. (N. B.-Application by letter cannot be entertained.) For the Great Seal Patent Office, the initials are W. C., the district being western central. In the direction of a letter, these initials should be legibly written in a separate line, and should in all cases end the address, thus: THE COMMISSIONERS OF PATENTS, Great Seal Patent Office, 25 Southampton Buildings, London, W. C. 65. ASSIGNMENTS AND LICENSES.-Recorded in the Register of Proprietors at the Patent Office. Entries may be expunged. 66. LIST OF PATENTS AT THEIR DIFFERENT STAGES.— Published in the London Gazette and in the Commissioners of Patents' Journal, within five days of the application and notice to proceed and within a fortnight of the sealing of the Patent; also, List of Patents on which the stamp duty of £50 and £100 has been paid, &c. (Compare Commissioners of Patents' Journal, [ride infra, § 71.]) 67. SPECIFICATIONS, DISCLAIMERS, MEMORANDA OF ALTERATIONS, PROVISIONAL SPECIFICATION, ASSIGNMENTS, AND LICENSES.-Open to the inspection of the public at the Patent Office, London; at the Enrollment Office of the Court of Chancery, in Dublin; and at the office of the Directory of Chancery in Scotland. (N. B. Not within the term of provisional protection.) 68. SPECIFICATIONS, DISCLAIMERS, MEMORANDA OF ALTERATIONS, AND INDEXES.-Published by the Commission ers of Patents, and sold at cost price, at the Patent Office, within a month of the issue of the letters patent. All old specifications have been published likewise, and are sold at cost price. In course of publication and partly published, (thirty-six Classes,) Abridgments (in classes and chronologically arranged) of all Specifications of Patented Inventions, from the earliest enrolled to those published under the act of 1852. 69. ORIGINALS OF SPECIFICATION, ETC., (MODELS.)-Kept at the Patent Office. Models are not required, but when presented or lent, they are deposited in the Museum of the Commissioners of Patents, South Kensington, which is open daily to the public free of charge. 70. FREE PUBLIC LIBRARY OF THE COMMISSIONERS OF PATENTS.-The Reading-Room in the office of the Commissioners of Patents is open daily from 10 till 4 o'clock. In addition to the printed specifications, indexes, and other publications of the Commissioners of Patents, the Library includes the official publications of foreign patents and a collection of the leading British and foreign scientific journals and text-books, in the various departments of science and art, (about sixty thousand volumes.) The Commissioners of Patents' publications may be consulted at the public libraries of the chief continental States, the British Colonies, and America. 71. COMMISSIONERS OF PATENTS' JOURNAL.-Published on Tuesdays and Fridays: price, 2d; by post, 3d. Contents: 1. Applications for letters patent; 2. Grants of provisional protection for six months; 3. Inventions protected for six months by the deposit of a complete specification; 4. Notices to proceed; 5. Patents sealed; 6. Patents extended; 7. Patents canceled; 8. Patents on which the third year's stamp duty has been paid; 9. Patents which have become void by non-payment of the stamp duty of £50 before the expiration of the third year; 10. Patents on which the seventh year's stamp duty has been paid; 11. Patents which have become void by non-payment of the stamp duty of £100 before the expiration of the seventh year; 12. Colonial patents and patent law; 13. Foreign patents and patent law; 14. Weekly price lists of printed specification, &c.; 15. Official advertisements and notices of interest to patentees and inventors generally. The patent laws of the colonies of Great Britain and of foreign States are published in full in about eighty numbers of the Commissioners of Patents' Journal, the official organ of the British Patent Office, which should be found, as well as all other publications of the British Commissioners, in the Patent Office, Washington; Peabody Institute, Baltimore; Franklin Institute and Philadelphia Library, Philadelphia; Astor Library, New York; Free Library, Boston; Young Men's Association Library, Chicago; Wisconsin Historical Society, Madison; and Cornell University, Ithaca, New York, to which institutions they have been presented by the British Government. The following is a list of the foreign States the laws of which have been published in the Commissioners of Patents' Journal: Argentine Republic, Nos. 1393, 1394, 1453. Austria, 291. Baden and petty States of Bavaria, 262. Belgium, 292, 348. Cape of Good Hope, 727. Ceylon, 648. Cuba, 498. Dutch West Indies, 322. France, 228, 229, 947, 948, 949, 1386. Germany, 435. India, 240, 348, 552, 578. Jamaica, 660. Lucca, 321. Mauritius, 1282. Mexico, 496. Netherlands, 289, 1643. Parma, Piacenza, and Gu astalla, 321. Poland, 335. Portugal, 325, 1026. Prussia, 313, 329. Queensland, 859. Roman States, 319. Sardinia, 233, 235, 636, 637, 639, 640. Saxony, 236. Sicilies, (the Two,) 316. Sweden, 327, 354. Victoria, 186, 359, 1622. 72. INFRINGEMENTS.-In actions for infringement of letters patent particulars are to be delivered, and no evidence allowed not mentioned therein. Courts of common law may grant injunction in case of infringement. Particulars to be regarded in taxation of costs. 73. OTHER LEGAL PROVISIONS.-Letters patent granted to the first inventor not to be invalidated by protection obtained in fraud of the first inventor. Specification and objections to be referred to law officer. Power of law officer to order by or to whom costs shall be paid. Nothing to affect the prerogative of the Crown in granting or withholding grant of letters patent. Nothing to give effect to any letters patent granted in any colony. Letters patent may be granted to personal representatives of the applicant during the term of protection, or within three months after applicant's decease. If letters patent be destroyed or lost other letters patent may be issued. Letters patent not to prevent the use of inventions in foreign ships resorting to British ports, except ships of foreign States in whose ports British ships are prevented from using foreign inventions. Certified copies of specifications, &c., as printed by Queen's printers, to be evidence. Copies or extracts of letters patent, &c., certified and sealed, filed at Commissioners' office, to be received in evidence. Power for more than twelve persons to have a legal interest in letters patent. Falsification or forgery of entries a misdemeanor. SEC. VII. Analysis of the British Patent Laws. 74. Acts of Parliament; rules. 75. Commissioners. 76. Seal. 77. Petition and declarations. 78. Only one invention to be included in a patent. 79. Copy of specification with appli cation. 80. Petitions, &c., to be left at office; size. 81. Size of drawings. 82. Applications referred. 83. Law officer may amend title. 85. Nature of invention. SEC. 87. Provisional protections. 90. Complete specification adver- 91. Complete specification stamp £5. 92. Notice to proceed. 93. Notice to proceed advertised. 94. Opposition. 95. Applications for or against sealing. 96. Notice to proceed fee £3. 97. Objections to be referred. 98. Law officer to decree cost. 99. Warrant for sealing patent. 100. Complete specification filed. |