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:
Apr. 11, 1978
Filed:
May. 20, 1977
Applicant:
Inventors:
Roger T Hebert, Peabody, MA (US);
Bernard T Pike, Ipswich, MA (US);
Charles E McCarthy, Gloucester, MA (US);
Richard J Shea, Danvers, MA (US);
Assignee:
GTE Sylvania Incorporated, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313222 ; 313318 ; 3391 / ; 3391 / ;
Abstract
A high wattage incandescent lamp which includes a two-part ceramic base. Within the base is a barrier section which separates the base's cavity from the respective pin recesses. The structure permits utilization of hollow pins which include a flattened end portion for being retained within the base. The lamp is especially suited for studio, theatre, and television applications.