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:
Jan. 13, 1976
Filed:
Feb. 14, 1972
Richard A Menelly, Danvers, MA (US);
Tadius T Sadoski, Salem, MA (US);
Sylvania Electric Products Inc., Danvers, MA (US);
Abstract
An indium oxide coating is used on the inside surface of a vapor electric discharge lamp, such as a fluorescent lamp, to reduce the starting voltage. The coating is especially effective at low temperatures, but also reduces the voltage even at room temperatures. It is particularly useful also in lamps using certain mixed inert gases with the mercury, since the mixtures used generally require a higher starting voltage than the ordinary fluorescent lamps containing argon and mercury vapor.
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