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. 21, 2000
Filed:
Jan. 27, 1998
Applicant:
Inventors:
John H Graber, Wind Lake, WI (US);
Mitchell P Pomerantz, Highland Park, IL (US);
Assignee:
Johnson Worldwide Associates, Inc., Sturtevant, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ; A62B / ;
U.S. Cl.
CPC ...
12820214 ; 12820628 ; 12820227 ; 405186 ; 441 96 ;
Abstract
An underwater air supply system for use with an air supply tank and a buoyancy chamber includes a base module and a plurality of interchangeable modules releasably connectable to the base module. Each module includes at least one of an air supply buoyancy chamber inflator for selectively supplying air from the air supply tank to the buoyancy chamber, a buoyancy chamber exhaust for selectively exhausting air from the buoyancy chamber, an oral buoyancy chamber inflator for enabling a diver to orally inflate the buoyancy chamber, and a regulator for supplying air to a diver from the air supply.