Patents, Designs and Trade Marks, (Ch. 31. No. 18. cation describing the nature of the invention, and, if required by the Registrar, accompanied by plans, and shall, in lieu of the fees otherwise payable on application for a patent, pay a fce of $4.80 or such other fee as may be prescribed, the Registrar may issue to the applicant a certificate in the form E in the said Schedule, and the invention may there- upon be used for a period of nine months or until within such period a patent shall have been granted for the same without prejudice to such patent, and in such case such patent shall be granted on delivery within such period of nine months of such complete specification as hereinbefore mentioned, and on payment of the balance of the fee payable on application for a patent. (4) On an application for a patent, the specification or provisional specification and drawings, if any, accom- panying or Ieft in connection with such application shall not at any time be open to public inspection or be published by the Registrar, unless and until such patent has been granted. 5. (1) The Registrar shall keep a book at the registry called ‘‘ The Register of Patents,’ and shall record therein under a distinguishing number and in the order in which application shall have been duly made to him, every such invention, and the christian and surname of the inventor, and the day of the date of the patent, and shall cause every specification to be marked with the distinguishing number of the invention to which the specification refers. (2) All assignments, charges, transmissions, amend- ments, extensions, and revocations of patents, and such other matters affecting the validity or proprictorship of patents as may from time to time be prescribed, shall be notified to the Registrar, who shall, on sufficient evidence thereof, and on payment of the prescribed fee, note the same in the Register of Patents. 6. Every patent shall vest in the patentce, his executors, administrators, or assigns and licensces, the sole right and benefit of using within the Colony the invention mentioned in such patent for and during the space of fourteen years next after the granting of such patent: Provided that, at any time before the expiration of such period, the Governor 939 Specification and draw- ings not public. Register of Patents. Patent to vest exclu- sive right for 14 years.