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:
Dec. 14, 1993
Filed:
Dec. 11, 1991
Applicant:
Inventors:
Jerry W Smith, Irvine, KY (US);
Larry R Fields, Richmond, KY (US);
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01K / ;
U.S. Cl.
CPC ...
313271 ; 313578 ;
Abstract
An incandescent lamp having a filament with an integral support portion between its ends which bears against the lamp envelope for supporting the filament therein. The integral support portion includes a length of electrically conductive support wire enclosed within the filament, the filament being continuously coiled over the entire length of said support wire. Accordingly to a favorable embodiment, the support wire is a retained length of winding mandrel.