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:
Nov. 26, 2002
Filed:
Jun. 19, 2000
Mitchell R. Gagnon, Hooksett, NH (US);
William L. Kretovic, Concord, NH (US);
Michael T. Ford, Deering, NH (US);
Arnold R. Cernota, Greenfield, NH (US);
Gregory Bibbo, Bow, NH (US);
Osram Sylvania Inc., Danvers, MA (US);
Abstract
An electric lamp includes a light-transmissive lamp envelope defining an enclosed volume, the lamp envelope having a press seal at one end thereof and the press seal having a recess along a bottom edge thereof, at least one lamp filament disposed in the enclosed volume of the lamp envelope, electrical leads extending through the press seal on opposite sides of the recess and connected to the lamp filament, and an exhaust tube extending through the recess in the press seal to the enclosed volume of the lamp envelope. An insulating base is typically secured to the press seal. The exhaust tube located in the recess is at least partially shielded against breakage.