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:
Apr. 03, 2018
Filed:
May. 29, 2015
Jeremy Patrick Evans, Vernon Hills, IL (US);
Terry Chung, Kildeer, IL (US);
Jordan Linn, Palatine, IL (US);
David Shao Ling, Vernon Hills, IL (US);
Joshua Stoia, Wheeling, IL (US);
Jeremy Patrick Evans, Vernon Hills, IL (US);
Terry Chung, Kildeer, IL (US);
Jordan Linn, Palatine, IL (US);
David Shao Ling, Vernon Hills, IL (US);
Joshua Stoia, Wheeling, IL (US);
Ameda, Inc., Buffalo Grove, IL (US);
Abstract
An electrical breast pump may include a permanently unobstructed continuous passageway across the diaphragm and a rolling diaphragm that is movable between a vent orientation and a vacuum orientation, or a vent piston configured to actuate a closure between a vent orientation and a vacuum orientation so that a pressure chamber is selectively in direct communication with atmospheric pressure.