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. 06, 2004
Filed:
Mar. 13, 2002
Glen P. Williamson, Manchester, NH (US);
Ebon L. McCullough, New Ipswich, NH (US);
Osram Sylvania Inc., Danvers, MA (US);
Abstract
A high intensity discharge lamp ( ) has an outer envelope ( ) having a cup-shaped top ( ), a hollow center section ( ) and a bottom ( ) all aligned along a longitudinal axis ( ), the bottom ( ) including a flare ( ) having a pinch seal ( ) with in-leads ( ) sealed therein. A mount structure ( ) is positioned within the envelope, the mount structure including a frame ( ) comprising a spaced-apart pair of side frames ( ) extending substantially the length of the envelope ( ) and parallel to the longitudinal axis. The side frames ( ) have middle portions ( ) carrying an arc tube ( ) and a surrounding shield ( ), and the side frames further have an upper portion that frictionally engages the inside surface of the cup-shaped top ( ), the upper portion comprising two ends ( ) extending in a direction normal to the longitudinal axis and having a space ( ) therebetween.