SEC. 101. Patent fee £5; stamp £5. 102. Future payments. 103. Issue of letters patent. 104. Issued three months from warrant. 105. Accidental delay. 107. If lost, new patent may issue. 111. Copy of drawings. SEC. 116. Period of notice. 117. Public inspection of documents. 121. Number of persons interested. 125. Confirmation of prolongation. 129. Schedules of fees and stamps 74. ACTS OF PARLIAMENT; RULES.-The following is an analysis of the patent law amendment act, 1852, (15 and 16 Vict., ch. 83,) with which are embodied the rules which have been made from time to time by the Lord Chancellor and the Commissioners, also such parts of the 5 and 6 William IV., ch. 83, and 7 and 8 Vict., ch. 89, and 12 and 13 Vict., ch. 109, as are retained as forming part of the present law by the act of 1852, and the act of the 16 and 17 Vict., ch. 115, to amend the act of 1852: 75. COMMISSIONERS. The Lord Chancellor. The Master of the Rolls. The Attorney General and Solicitor General for England. The Lord Advocate and Solicitor General for Scotland. The Attorney General and Solicitor General for Ireland. The Crown has power to appoint other persons as Coinmissioners. The powers of the act may be exercised by any three Commissioners, the Lord Chancellor or Master of the Rolls being one. (§ 1.) 76. SEAL.-They are authorized to have a seal made for sealing patents, and to vary such seal from time to time. (§ 2.) They may make rules (not inconsistent with this act) for conducting the business of the office, and for the purpose of the act may provide officers and employ clerks. (§§ 3, 4, 5.) 77. PETITION AND DECLARATIONS.-The petition for the grant of letters patent and the declarations required to accompany such petition shall be left at the office of the Commissioners, and also a statement in writing, called the provisional specification, signed by or on behalf of the applicant, and describing the notion of his invention. The day of the delivery of these documents at the office is to be indorsed upon them, and a certificate to that effect given to the depositor. (§6.) 78. ONLY ONE INVENTION TO BE INCLUDED IN A PATENT. Every application for letters patent, and every title of invention and provisional specification, must be limited to one invention only, and no provisional protection will be allowed or warrant granted where the title or the provisional specification embraces more than one invention. (3d Set of Rules, December 12, 1853.) The title of the invention must point out distinctly and specifically the nature and object of the invention. (Ib.) The expression "invention" shall mean any manner of new manufacture in the meaning of the act 21 James I., ch. 3. (§§ 6, 7.) 79. COPY OF SPECIFICATION, &C., TO ACCOMPANY APPLICATION. A true copy, under the hand of the patentee, or applicant, or his agent, of every specification and com plete specification, with the drawings accompanying the same, if any, shall be left at the office on filing such specification or complete specification. (16 and 17 Vict., ch. 115.) 80. PETITIONS, &c., TO BE LEFT AT OFFICE; SIZE.-All petitions for letters patent, and all declarations and provisional specifications, are to be left at the office. They are to be written on sheets of paper twelve inches in length and eight and a half inches in breadth, leaving a margin of one and a half inch on each side of each page. (1st Set of Rules, October 1, 1852.) 81. SIZE OF DRAWINGS.-Drawings to accompany provisional specifications to be on sheets of paper, parchment, or cloth, twelve inches long, eight and a half inches broad, or twelve inches broad and seventeen inches long, leaving a margin of one inch on every side of each sheet. (1st Set of Rules, October 1, 1853.) 82. APPLICATIONS REFERRED TO A LAW OFFICER, WHOSE CERTIFICATE FOR FILING GIVES PROVISIONAL PROTECTION FOR SIX MONTHS.-The application for letters patent shall be referred by the Commissioners to one of the law officers, (who are the attorneys and solicitors general for England and Ireland, and lord advocate and solicitor general for Scotland.) (§ 55.) The law officer may call to his aid a scientific or other person and fix his remuneration, which is to be paid by the applicant. If satisfied with the provisional specification, the law officer shall give a certificate to that effect, to be filed at the Patent Office, and thereupon the invention may be used and published during a term of six months, the protection thus afforded being termed provisional protection. 83. LAW OFFICER MAY AMEND TITLE.-The law officer has the power to cause the title of the invention to be amended, if too large or insufficient. (§§ 7, 8.) -- 84. APPLICANT MAY NOT AMEND PROVISIONAL SPECIFICATION. No amendment or alteration at the instance of the applicant will be allowed in a provisional specification after the same has been recorded, except for the correction of clerical errors or of omissions made per in curiam. 85. PROVISIONAL SPECIFICATION MUST STATE DISTINCTLY NATURE OF INVENTION.-The provisional specification must state distinctly and intelligibly the whole nature of the invention, so that the law officer may be apprized of the improvement and of the means by which it is to be carried into effect. (2d Set of Rules, October 15, 1852.) 86. FEE ON LEAVING PETITION £5.-The fee to be paid on leaving petition for grant of letters patent is £5. (Schedule of Act.) 87. PROVISIONAL PROTECTIONS TO BE ADVERTISED IN GAZETTE. Provisional protections are to be advertised in the London Gazette, with the name and address of the petitioner, the title of his invention, and the date of the application. (1st Set of Rules, Oct. 1, 1852.) 88. COMPLETE SPECIFICATION MAY BE AT ONCE DEPOSITED. The applicant may, instead of the provisional specification, deposit with the petition and declaration an instrument, under his hand and seal, called a complete specification, particularly describing the nature of his invention, the same to be mentioned in such declaration, and the day of delivery of these documents at the office shall be registered there and indorsed on the petition, declaration, and specification, and a certificate thereof shall be given to the applicant or his agent. This proceeding shall afford protection to the applicant in the use of his patent for six months. (§ 9.) 89. PREVIOUS PATENTS NOT INVALIDATED BY SUBSEQUENT PROTECTION OBTAINED BY FRAUD.-Letters patent granted to the first inventor shall not be invalidated by reason of provisional or other protection obtained in fraud by any other person. (§ 10.) 90. COMPLETE SPECIFICATION TO BE ADVERTISED IN GAZETTE.—Every invention protected by the deposit of a complete specification shall be forthwith advertised in the London Gazette, the advertisement setting forth the name and address of the petitioner, the title of the invention, the date of the application, and that a complete specification has been deposited. (1st Set of Rules, Oct. 1, 1852.) 91. COMPLETE SPECIFICATION STAMP £5.-The stamp duty on a complete specification is £5. (Schedule of Act.) 92. AFTER PROTECTION OBTAINED APPLICANT MAY GIVE NOTICE TO PROCEED; HOW APPLICATION MAY BE OPPOSED. The applicant, after obtaining a provisional protection or depositing a complete specification, may give notice to the Commissioners of his intention to proceed with his application for letters patent, which notice the Commissioners shall advertise. Any person having an interest in opposing the grant of such letters patent may do so in writing, at such time and place, and according to such regulations, as the Commissioners may appoint. 93. NOTICE TO PROCEED TO BE ADVERTISED IN GAZETTE.-When, after provisional protection or the deposit of a complete specification, the petitioner shall give no |