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.

Date of Patent:
Jun. 03, 2008

Filed:

Aug. 31, 2004
Applicants:

Douglas Seredich, Montville, OH (US);

Curtis E. Scott, Mentor, OH (US);

Charles Greskovich, Schenectady, NY (US);

Todd R. Springer, Twinsburg, OH (US);

Inventors:

Douglas Seredich, Montville, OH (US);

Curtis E. Scott, Mentor, OH (US);

Charles Greskovich, Schenectady, NY (US);

Todd R. Springer, Twinsburg, OH (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 61/30 (2006.01); H01J 61/36 (2006.01); H01J 9/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

An arc tube for a ceramic metal halide lamp includes a hollow first body member () that is tapered along a majority of its length to aid in removing the molded component from a pin during assembly. An open end () of the first body member has a constant diameter () allowing it to be joined to a constant diameter portion () of the second body member or end cap (). The mating constant diameter portions ensure that the hollow first body member can be monolithically joined with the end cap with a reduced level of seal voids.


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