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. 29, 2000
Filed:
Feb. 19, 1998
Applicant:
Inventors:
Wayne L Nicolen, Kalamazoo, MI (US);
Jerry M Kulas, Kalamazoo, MI (US);
Dale E Walriven, Kalamazoo, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63C / ;
U.S. Cl.
CPC ...
405186 ; 114315 ; 441 88 ; 441106 ;
Abstract
A tank buoyancy compensator for an underwater breathing tank comprises a ballast boot having a tubular portion to receive the end of the tank remote from the diver's head. The ballast boot includes an end portion that includes weight retention pin for releasably retaining one or more annular ballast weights on the end portion. A connector is attached to the retention pin and is operable by the diver at convenient location on the ballast boot for releasing the retention pin to jettison the weight(s) from the boot, for example, when the diver experiences an emergency situation.