Electrophotographic slide and method of making same
Patent 4249328 Issued on February 10, 1981. Estimated Expiration Date: 
July 2, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 2, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3077150 3240142 3542465 3694069 3813164 3864035 Portable camera Patent #: 4064514 InventorAssigneeApplicationNo. 06/053901 filed on 07/02/1979US Classes:40/702, Adhesive attaching feature355/122, Frames355/72, Detailed holder for photosensitive paper399/378, Film (e.g., transparency)40/705Pivotally connected frame members adapted to engage opposed faces of filmExaminersPrimary: Pitrelli, John F.Assistant: Skillington, G. Lee Attorney, Agent or FirmInternational ClassG03G 15/00 (20060101)AbstractAn improved slide for electrophotographic film which comprises a pair of slide frame forming panels hingedly connected along adjacent edges enabling the panels to be folded together in superposed relation. The inner surfaces of each panel is coated with a pressure sensitive adhesive which bonds an electrophotographic film to one panel. A transparent protective film or a second photographic film may be bonded to the other panel. A conductive foil strip is affixed along an edge of the film for providing a grounding contact required for imaging the film in a duplicating camera and a release paper is disposed over the adhesive coating of the other panel. Subsequent to imaging, a slide is formed by stripping off the release paper and folding the panels so that the adhesive coating bonds the inner surfaces together with the film being retained therebetween. | |
