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US Patent 11471905 All plastic airless pump dispenser

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Is a

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

Date of Patent

October 18, 2022

Patent Application Number

17542296

Date Filed

December 3, 2021

Patent Citations

US Patent 10434532 Three piece pump

US Patent 11236794 Dispensing pump with polymer spring, base venting and flow baffle

US Patent 10335816 All plastic water resistant pump

US Patent 10794445 Dispensing pump with polymer compression spring assembly

Patent Primary Examiner

CPC Code

A manually operated, airless pump dispenser featuring all plastic construction, including a dome-shaped elastic polymer spring, is presented. The airless pump dispenser is suitable for dispensing liquids, crémes, foams and gels. Used pumps do not require disassembly to be recycled.

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