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US Patent 11687029 Process cartridge and image forming apparatus

Overview Structured Data Issues Contributors Activity

Is a

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Date Filed

November 11, 2021

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Date of Patent

June 27, 2023

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Patent Application Number

17524018

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Patent Citations

US Patent 7158735 Process cartridge, mounting method of electrophotographic photosensitive drum and replacing method of the photosensitive drum

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US Patent 7162181 Remanufacturing method for process cartridge

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US Patent 7212773 Image forming apparatus

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US Patent 7318989 Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method

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US Patent 7340197 Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus

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US Patent 7349649 Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus

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US Patent 8213828 Electrophotographic image forming apparatus and process cartridge mounted thereto having contacts electrically connecting with an electrical contact

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US Patent 8565639 Process cartridge and image forming apparatus

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US Patent 9063501 Developer accommodating unit with light guide member for detecting remaining toner amount

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US Patent 8583006 Electrophotographic image forming apparatus and process cartridge with electrical contacts that urge developer roller to photosensitive drum

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

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Patent Primary Examiner

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CPC Code

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