The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 08, 2022
Filed:
Jan. 25, 2021
The Procter & Gamble Company, Cincinnati, OH (US);
Robert Paul Cassoni, Waynesville, OH (US);
Kelsey Erin Gibboney, Cincinnati, OH (US);
Kerry Lloyd Weaver, Florence, KY (US);
David Andrew Dalton, Mason, OH (US);
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
A manually operated pump including: an inlet one-way valve; a pump chamber downstream of and in fluid communication with the inlet one-way valve; a piston interior to the pump chamber and slideably engaged with the pump chamber; an actuator engaged with the piston or the pump chamber; a compression spring engaged with the actuator; and an optional outlet one-way valve downstream of and in fluid communication with the pump chamber; wherein the compression spring includes a continuous thermoplastic elastomeric tube supported between opposing offset tube supports.