265 F. 996 | D.D.C. | 1920
Appeal from a decision of an Assistant Commissioner of Patents in an interference proceeding, reversing the decision of the Examiners in Chief and awarding priority to Sulzer, whose application was not filed until more than two years alter he claims to have made the invention and two months after a patent had been issued to Pembroke, the appellant. The invention relates to stencil paper and the process of making it. It is defined in six counts, of which the first and fourth will serve as examples:
"1. The process of making flexible opaque, stencil paper having an opaque coating which can be removed at a single stroke o£ the stylus, which consists in iirst making a translucent paper nonabsorbent, then coating said paper with an opaque coating that will adhere lo ¡said ^aper without penetrating the fibre of: the paper, said coating being as flexible' as the paper, but brittle enough to be practically all removed from the paper by a single stroke of ihe stylus.”
"4. An article of manufacture consisting of a translucent paper web made water proof by a translucent coating and then coated on one side thereof with a combination of waxy material and opaque pigment.”
Sulzer was general superintendent of film manufacture for the Eastman Kodak Company, to which company the application in interference was assigned by him. That company obtained a license and option to purchase the Gaisman process for marking photographic film negatives. The film cartridge used by Gaisman includes, in addition to the film and red paper back, a strip of carbon paper interposed between than, with the carbon side toward the backing paper. In practicing the process the operator opens a small door or slide in the back of the camera, thus exposing the backing paper, upon which lie writes the desired notation with a stylus. The pressure of the stylus transfers the carbon to the backing paper and permits the light to penetrate the stencil paper and photographically imprint the notation upon the film.
‘Tt should be opaque and free from defects, like pinlioles, and that it should have the property of the carbon being easily removed when written upon with a pencil or stylus, as distinguished from the ordinary carbon paper, of which it was required that as many impressions as possible could be taken.”
This was the extent of the information given Pembroke by Haste. He did not tell Pembroke of the. Gaisman invention, or of the pur
Reversed.