Ear-plug timer

- Seikosha Co., Ltd.
Description

FIG. 1 is a front elevational view of an ear-plug timer showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a right side elevational view thereof, this left side being a mirror image.

Referenced Cited
U.S. Patent Documents
D60848 April 1972 Brach
D250176 November 7, 1978 Yamagami
D261993 November 24, 1981 Lubs
D264316 May 11, 1982 Loiseau
D270244 August 23, 1983 McCormick
D278313 April 9, 1985 Progin
D281675 December 10, 1985 Rapp
D282446 February 4, 1986 Gremoprez
D304807 November 28, 1989 Iacovelli
D309266 July 17, 1990 Kaneko
D311342 October 16, 1990 Houlihan
Other references
  • Jeweler's Circular-Keystone--4/78-p. 12, Stopwatch at Bottom.
Patent History
Patent number: D319592
Type: Grant
Filed: Aug 2, 1988
Date of Patent: Sep 3, 1991
Assignee: Seikosha Co., Ltd.
Inventor: Yasuo Inora (Tokyo)
Primary Examiner: Nelson C. Holtje
Attorneys: Bruce L. Adams, Van C. Wilks
Application Number: 7/227,324