Push button switch

- SMK Corporation
Description

FIG. 1 is a top perspective view of a push button switch showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3707611 December 1972 Twyford
3849621 November 1974 Habecker
4529849 July 16, 1985 Kamei et al.
4600819 July 15, 1986 Twyford
4709128 November 24, 1987 Odagawa
Other references
  • Micro Switch, Cat. 51, 6/67, p. 23, "Panel Seal" (bottom left).
Patent History
Patent number: D302149
Type: Grant
Filed: Jun 16, 1988
Date of Patent: Jul 11, 1989
Assignee: SMK Corporation (Tokyo)
Inventor: Kumio Ozeki (Tokyo)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Ruth Takemoto
Law Firm: Armstrong, Nikaido, Marmelstein, Kubovcik & Murray
Application Number: 7/207,597
Classifications
Current U.S. Class: D13/38