Compact fluorescent lamp

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Description

FIG. 1 is a perspective view of a compact fluorescent lamp showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an elevational view looking from the right of FIG. 2;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

This article is a compact fluorescent lamp which incorporates a discharge tube, ballast etc. therein and can be lighted by threadably inserting it, like an incandescent lamp, into a socket.

Referenced Cited
U.S. Patent Documents
4187446 February 5, 1980 Gross et al.
Other references
  • Lighting Design & Application, 6/1980, p. 50-North American Philips Lighting Corp. SL Lamp. Toshiba Review, Sep.-Oct. 1980, p. 6, Compact Fluorescent Lamp (FIG. 3). Official Gazette issued on Oct. 15, 1980 Swedish Design Application No. 79-1572. Official Gazette issued on Feb. 28, 1961 U.S. Design Patent No. Des. 189,822. Official Gazette issued on Dec. 1, 1962 Japanese Design Registration No. 211701 registered on Apr. 10, 1962. Official Gazette issued on Oct. 20, 1970 U.S. Design Pat. No. Des. 218,975. Official Gazette issued on Dec. 22, 1970 U.S. Design Pat. No. Des. 219,516.
Patent History
Patent number: D274656
Type: Grant
Filed: Dec 23, 1981
Date of Patent: Jul 10, 1984
Assignee: Tokyo Shibaura Denki Kabushiki Kaisha (Kawasaki)
Inventors: Masumi Nanba (Funabashi), Yoshio Kojima (Yokohama)
Primary Examiner: Susan J. Lucas
Law Firm: Finnegan, Henderson, Farabow, Garrett & Dunner
Application Number: 6/333,903