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.

Date of Patent:
May. 03, 1983

Filed:

Mar. 27, 1981
Applicant:
Inventor:

Thomas L Gavenonis, Montoursville, PA (US);

Assignee:

GTE Products Corporation, Stamford, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21K / ;
U.S. Cl.
CPC ...
431362 ; 445 33 ;
Abstract

A filamentary-type photoflash lamp suitable for use with a relatively low voltage high current power source includes a glass envelope with a shredded metal fill, a pair of leads interconnected by a filament wire and a primer having percussively-ignitable and powdered combustible incandescible material on the leads with the primer material responsive to heat generated by the filament wire. A process for fabricating the above-described photoflash lamp is also provided as well as a primer material composition.


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