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. 04, 1984
Filed:
Feb. 18, 1982
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01K / ;
U.S. Cl.
CPC ...
313318 ; 313578 ; 313613 ; 313623 ; 445 22 ; 445 26 ; 445 27 ;
Abstract
The lamp has a pinch seal which surrounds a mounting structure carrying l-in wires of the filament;
Grahmann, Helmut. (1984). Electric lamp with an envelope seal designed as pinch seal, and a device (U.S. Patent No. 4469983). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4469983
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile