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:
Aug. 26, 1980
Filed:
Nov. 09, 1978
Applicant:
Inventors:
Ralph B Shamlian, Menlo Park, CA (US);
John D Burr, Redwood City, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62B / ;
U.S. Cl.
CPC ...
12820426 ; 137D / ; 137494 ; 137491 ; 12820524 ;
Abstract
An improved regulator intended primarily for use as the essential component of a SCUBA system and being a single hose, two stage regulator incorporating a novel valve subassembly in the second stage in the form of a unique main diaphragm valve and a pilot valve assembly.