Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 2, 2019
Patent Application Number
16225842
Date Filed
December 19, 2018
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A water resistant hand pump fabricated entirely from plastic components is provided. The pump comprises a pump housing, actuator, piston, chaplet, stem and a pump spring where the pump spring is in the form of an elastic dome made from an elastomeric polymer. The all plastic hand pump is suitable for dispensing liquids and creams from a dispenser bottle. Used pumps do not require disassembly to be recycled.
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