MISCELLANEOUS SU15JECTS AND TABLES. 335 



Applications. — Application for a patent must be made in 

 writing to the Commissioner of Patents, The applicant 

 must also file in the Patent Office a written description of 

 the same, and of the manner and process of making, con- 

 structing, compounding and using it, in such full, clear, con- 

 cise, and exact terms as to enable any person skilled in the 

 art or science to which it appertains, or with which it is 

 most nearly connected, to make, construct, compound, and 

 use the same; and in case of a machine, he shall explain the 

 principle thereof, and the best mode in which he has con- 

 templated applying that principle, so as to distinguish it 

 from other inventions; and particularly point out and dis- 

 tinctly claim the part, improvement, or combination which 

 he claims as his invention or discovery. The specification 

 and claim shall be signed by the inventor and attested by 

 two witnesses. 



When the nature of the case admits of drawings, the ap- 

 plicant must furnish a drawing of the required size, signed 

 by the inventor or his attorney in fact, and attested by two 

 witnesses, which shall be filed in the Patent Office. In 

 cases of inventions that admit of representation by model, 

 the applicant, if required by the Patent Office, shall furnish 

 a model of convenient size to exhibit advantageously the 

 several parts of the invention or discovery. 



The applicant shall make oath that he does verily believe 

 himself to be the original and first inventor and discoverer 

 of the art, machine, manufacture, composition, or improve- 

 ment for which he solicits a patent; that he does not know 

 and does not believe that the same was ever before known 

 or used, and shall state of what country he is a citizen and 

 where he resides. Such oath may be made before any per- 

 son within the United States authorized by law to admin- 

 ister oaths, or, when the applicant resides in a foreign 

 country, before any minister, charge d'affaires, consul, or 

 commercial agent holding commission under the Govern- 

 ment of the United States, or before any notary public of 

 the foreign country in which the applicant may be, provided 

 such notary is authorized by the laws of his country to 

 administer oaths. 



