G03D9/00- Diffusion development apparatus. G03D- APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS ACCESSORIES THEREFOR. G03- PHOTOGRAPHY CINEMATOGRAPHY ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES ELECTROGRAPHY HOLOGRAPHY. 
239000010935 stainless steel Substances 0.000 description 1. 
239000004926 polymethyl methacrylate Substances 0.000 description 1. 229920002457 flexible plastic Polymers 0.000 description 1. 238000006011 modification reaction Methods 0.000 description 2. 238000007254 oxidation reaction Methods 0.000 description 4. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by NORD PHOTOCOPY AND ELECTRONICS filed Critical NORD PHOTOCOPY AND ELECTRONICS Priority to US861834A priority Critical patent/US2989913A/en Application granted granted Critical Publication of US2989913A publication Critical patent/US2989913A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee NORD PHOTOCOPY AND ELECTRONICS Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US861834A Inventor Kron Eugene Glasgow Paul Current Assignee (The listed assignees may be inaccurate. #Photocopy means pdf#
Google Patents US2989913A - Photocopy meansĭownload PDF Info Publication number US2989913A US2989913A US861834A US86183459A US2989913A US 2989913 A US2989913 A US 2989913A US 861834 A US861834 A US 861834A US 86183459 A US86183459 A US 86183459A US 2989913 A US2989913 A US 2989913A Authority US United States Prior art keywords tray bag platen photocopy motor Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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