938 Application for patent, On delivery of declara- tion and specification Registrar to issue patent. Drawings. Provisional specification. Ch. 31. No. 18.] 0 Patents, Designs and Trade Marks. registered means registered in the Register of Patents, the Register of Designs, or the Register of Trade Marks, as the case may be; and “ registration ’ has a corresponding meaning; Registrar means the Registrar General, and includes anv Deputy Registrar or person acting under the authority of such Registrar; and “ registry ” means the office of the Registrar General; specification — includes all tracings, drawings, diagrams, and other exhibits referred to in’ such specification ; United Kingdom patent — means letters patent for an invention eri anted in the United Kingdom. PART TI, PATENTS. Local patents. 3. (1) Any person may make an application for a patent. (2) Two or more persons may make a joint application for a patent, and a patent may be granted to them jointly. 4. (1) The Registrar, on an application by or on behalf of any person claiming to be the inventor or proprietor of any invention, and on the delivery to the Registrar of a declaration in writing according to form A in the Schedule hereto together with a specification in duplicate signed by the applicant or his agent, particularly describing the nature of the invention and in what manner the same is to be performed, and on payment of the prescribed fee, shall deliver to such person or his agent a certificate according to form B in the said Schedule, hereinafter called a patent, and a copy of such patent shall be inserted by the Registrar in the Royal Gasette. (2) All drawings, tracings, diagrams, plans, and other exhibits referred to in any specification shall be made on tracing linen or some other durable material to the satis- faction of the Registrar, and in no case on tracing paper. (3) Provided that if, in lieu of such specifications as aforesaid, the applicant shall deliver a provisional specifi-