QUME CORPORATION

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5003415 Adaptive head positioning servo-mechanismExpiredJun 18, 87Mar 26, 91[G05D, G11B]
4929099 Multi-line serial printerExpiredJan 19, 88May 29, 90[B41J]
4879612 Head positioning servo-mechanism with error reduction capabilitiesExpiredNov 26, 86Nov 07, 89[G11B]
4721895 Multi-speed analog servoExpiredNov 22, 83Jan 26, 88[G05B]
4653946 Adaptive electronic control system for formed character printerExpiredFeb 20, 85Mar 31, 87[B41J]
4639127 Exposure apparatus for printing systemExpiredDec 10, 85Jan 27, 87[G03B]
4624560 Capsule rupture printing systemExpiredOct 25, 85Nov 25, 86[G03C, G03B]
4611802 Paper feederExpiredApr 12, 84Sep 16, 86[B65H]
4575069 Sheet feeding mechanismExpiredMay 13, 83Mar 11, 86[B65H]
4570919 Selector for multibin sheet feederExpiredMay 23, 84Feb 18, 86[B65H]
4569606 Printer apparatusExpiredApr 13, 84Feb 11, 86[B41J]
D281245 Computer housingExpiredApr 12, 83Nov 05, 85[]
D280326 Disk drive front panelExpiredApr 12, 83Aug 27, 85[]
4536867 Self-centering discExpiredApr 16, 84Aug 20, 85[G11B]
D279783 Integrated printer and feeder housingExpiredMay 13, 83Jul 23, 85[]
4529325 Technique for compensation for bandwidth limitations of microprocessor utilized for serial printer controlExpiredMay 26, 82Jul 16, 85[B41J]
4502800 Daisywheel printerExpiredJul 08, 82Mar 05, 85[B41J]
4444385 Sheet feederExpiredJan 18, 82Apr 24, 84[B65H]
4428695 Cartridge with self adjusting pressure roller and end of ribbon detection meansExpiredMay 12, 82Jan 31, 84[B41J]
4426166 Modular printer with coded plug compatible modulesExpiredOct 14, 82Jan 17, 84[H03K, B41J]

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