...Commissioner. SEC. 21. "Every inventor, before he can receive a patent, must make oath, or affirmation, that he does verily believe that he is- the original and first inventor, or discoverer, of the art, machine, manufacture, composition, or improvement, for which he solicits a patent : and that he...

...to be signed by the inventor, and he is to furnish a model of his invention, and he is to make oath that he does verily believe that he is the original and first inventor or discoverer of the art, &c., or improvement, for which he solicits a patent; and that he does not know or believe that...

...be "signed by the inventor," and he is to furnish a model of "his invention," and he is to make oath "that he does verily believe that he is the original and first inventor or discoverer of the art, &c., or improvement, for which he solicits a patent; and that be does not know or believe that...

...patent therefor." The same section provides that " the applicant shall also make oath or affirmation, that he does verily believe that he is the original and first inventor or discoverer of the art, machine, composition, or improvement, for which he solicits a patent, and that he does not know...

...has not wen known or used before his application, has made oath that he is a citizen of the Ltu'ted States, that he does verily believe that he is the original and first inventor J r discoverer of the said improvement and that the same bath not to the best of his *Bt>wledge and...

...advantageously its several parts. The applicant shall also make oath or affirmation that he does verily helieve that he is the original and first inventor or discoverer of the art, machine, composition, or improvement, for which he solicits a patent, and that he does not know...