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:
Jul. 12, 1977
Filed:
Mar. 29, 1976
Applicant:
Inventors:
Allan E Ames, Reading, MA (US);
Alfredo G Kniazzeh, West Newton, MA (US);
Paul Goldberg, West Newton, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73 40 ; 73 493 ; 320 48 ; 324 295 ;
Abstract
Seal integrity tests are conducted on electrical energy storage devices, such as batteries, by the application, to the device under test, of oxygen at elevated pressures.