Information to Persons Having Business to Transact at the Patent Office

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U.S. Government Printing Office, 1925
 

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Página 6 - Any person who has invented or discovered any new and useful art, machine, manufacture, or composition of matter, or any new and useful improvements thereof, or who has invented or discovered and asexually reproduced any distinct and new variety of plant, other than a tuber-propagated plant, not known or used by others in this country before his invention or discovery thereof...
Página 53 - Whenever, through inadvertence, accident, or mistake, and without any fraudulent or deceptive intention, a patentee has claimed more than that of which he was the original or first inventor or discoverer, his patent shall be valid for all that part which is truly and justly his own...
Página 11 - The applicant shall make oath that he does verily believe himself to be the original and first inventor or discoverer of the art, machine, manufacture, composition, or improvement 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.
Página 54 - An assignment, grant or conveyance shall be void as against any subsequent purchaser or mortgagee for a valuable consideration, without notice, unless it is recorded in the Patent Office within three months from the date thereof or prior to such subsequent purchase or mortgage.
Página 13 - ... in public use or on sale in this country for more than two years...
Página 12 - Such oath may be made before any person within the United States authorized by law to administer oaths, or, when the applicant resides in a foreign country, before any minister, charge...
Página 23 - When any claim of an application is rejected on reference to a domestic patent which substantially shows or describes but does not claim the rejected invention, or on reference to a foreign patent or to a printed publication, and the applicant shall make oath to facts showing a completion of the invention in this country before the filing date of the application on which the domestic patent issued...
Página 54 - Every patent or any interest therein shall be assignable in law by an instrument in writing, and the patentee or his assigns or legal representatives may in like manner grant and convey an exclusive right under his patent to the whole or any specified part of the United States.
Página 8 - States, shall have the same effect as the same application would have if filed in this country on the date on which...
Página 87 - Now, therefore, to all whom it may concern, be it known that, for and in consideration of the sum of — — dollars to me in hand paid...

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