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:
Feb. 27, 1990
Filed:
Aug. 10, 1987
Applicant:
Inventors:
Gordon D Martin, Palatine, IL (US);
Douglas D Carden, Barneveld, WI (US);
Colin Hodge, Columbia, MD (US);
Assignees:
Aeros Instruments, Inc., Northbrook, IL (US);
The BOC Group, Inc., Ohmeda Division, Columbia, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
13750513 ; 137495 ; 13750529 ; 13750538 ; 137907 ;
Abstract
A vacuum regulating cartridge (10) having a roller diaphragm (52), a coil spring (54) and a cantilevered spring arm (68) to form a regulation system for regulating vacuum in a medical regulating vacuum controller (26).