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US Patent 11687029 Process cartridge and image forming apparatus

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 US Patent 11687029 Process cartridge and image forming apparatus

Infobox
Is a
Patent
Patent
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
116870290
Date of Patent
June 27, 2023
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Patent Application Number
175240180
Date Filed
November 11, 2021
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Patent Citations
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US Patent 7088939 Process cartridge and electrophotographic image forming apparatus
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US Patent 7127194 Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus
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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 8583006 Electrophotographic image forming apparatus and process cartridge with electrical contacts that urge developer roller to photosensitive drum
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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 10691063 Process cartridge and image forming apparatus
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Patent Primary Examiner
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Francis C Gray
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CPC Code
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G03G 21/1857
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G03G 21/186
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G03G 21/185
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G03G 21/1803
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G03G 21/1825
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G03G 15/0806
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G03G 15/0808
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G03G 2221/1657
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