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:
Sep. 26, 1995
Filed:
Jun. 15, 1994
Applicant:
Inventor:
George R Neff, Glendale, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42C / ;
U.S. Cl.
CPC ...
1022027 ; 10220214 ;
Abstract
A method of providing a gas-gettering medium within hermetically sealed devices which allows small cavity devices to be leak tested to verify their seal integrity. The gettering medium utilizes forms of charcoal, including activated carbon materials. A hermetically sealed device with the charcoal incorporated therein, as in an otherwise normal void in the device, or mixed with a charge of explosive in the device.