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:
Jul. 05, 2005
Filed:
Jun. 25, 2003
Gregory Zaslavsky, Marblehead, MA (US);
Richard Speer, Concord, MA (US);
Philip E. Moskowitz, Georgetown, MA (US);
Joseph V. Lima, Salem, MA (US);
Louise D. Cleary, Salem, MA (US);
Gregory Zaslavsky, Marblehead, MA (US);
Richard Speer, Concord, MA (US);
Philip E. Moskowitz, Georgetown, MA (US);
Joseph V. Lima, Salem, MA (US);
Louise D. Cleary, Salem, MA (US);
Osram Sylvania Inc., Danvers, MA (US);
Abstract
Method for introducing a limited amount of mercury into a fluorescent lamp during manufacture thereof includes the steps of forming the lamp with an exhaust tubulation therein open at an end thereof, exhausting the interior of the lamp through the exhaust tubulation, placing a body of metal material not reactive with mercury in the exhaust tubulation open end, the body having a coating of metal which amalgams with mercury, over a selected surface area of the body, and having mercury on the coated area of the body, such that a limited amount of the mercury is retained by the metal coating, and sealing the open end of the exhaust tubulation, whereby the amount of mercury retained on the body and introduced into the lamp is limited by the surface area of the metal coating on the body.