Sodium lamp

Description

FIG. 1 is a front elevational view of a sodium lamp showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a cross-sectional view thereof as taken along line 7--7 in FIG. 2 on an enlarged scale; and,

FIG. 8 is a cross-sectional view thereof as taken along line 8--8 in FIG. 1 on an enlarged scale.

Referenced Cited
U.S. Patent Documents
2425864 August 1947 Cartun
4924133 May 8, 1990 Dassler et al.
4958103 September 18, 1990 Jacobs et al.
Patent History
Patent number: D334071
Type: Grant
Filed: Nov 15, 1991
Date of Patent: Mar 16, 1993
Assignee: Toshiba Lighting & Technology Corporation (Tokyo)
Inventors: Akira Itoh (Yokohama), Kazuyoshi Okamura (Yokohama), Kazuiki Uchida (Kanagawa)
Primary Examiner: Susan J. Lucas
Law Firm: Finnegan, Henderson, Farabow, Garrett & Dunner
Application Number: 7/792,739
Classifications
Current U.S. Class: Electric Light Bulb (34) (D26/2)