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. 16, 1991
Filed:
Feb. 29, 1988
Applicant:
Inventor:
Karl O Larsson, Schweiz, CH;
Assignee:
ISG/AG, Zug, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 74 ; 604120 ; 604154 ;
Abstract
An improved breast pump assembly, including a manually operable breast pump that can be used in a manual mode by hand-driving the breast pump, provides a motor drive unit which is adapted to receive and hold the manually operable piston pump of the breast pump, with a pump drive for reciprocating the piston rod of the piston pump in substantially the same stroke as would occur in optimum manual driving of the breast pump.