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:
Oct. 26, 1982
Filed:
Dec. 29, 1980
Applicant:
Inventors:
David R Broadt, Lewisburg, PA (US);
John W Shaffer, Williamsport, PA (US);
Assignee:
GTE Products Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21K / ;
U.S. Cl.
CPC ...
431359 ; 362 11 ;
Abstract
Venting apertures for multi-lamp photoflash units having a plurality of spaced flashlamp receiving cavities are provided intermediate the cavities whereby no direct path for fragments from a flashlamp within a cavity to the exterior of the unit is provided. In another aspect, a reflector unit having venting apertures aligned with the venting apertures of the above-described photoflash unit is enclosed with the photoflash unit with no direct path for projectiles from the photoflash lamp to the exterior of the photoflash unit.