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. 26, 1989
Filed:
Jun. 18, 1984
Applicant:
Inventors:
William M Keeffe, Rockport, MA (US);
Zeya K Krasko, Danvers, MA (US);
Assignee:
GTE Products Corporation, Danvers, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313 25 ;
Abstract
A low wattage metal halide discharge lamp includes a arc tube having a temperature equalizing means telescoped thereover and an evacuated outer envelope enclosing the arc tube and convection current reducing means.