Curling stone

Description

FIG. 1 is a perspective view of curling stone embodying my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D20525 March 1891 Karl
D279996 August 6, 1985 Survance et al.
1656936 January 1928 Beal
3188088 June 1965 Gatke
3709496 January 1973 De Ce Poli et al.
Foreign Patent Documents
2749610 May 1979 AUX
0729051 March 1966 CAX
0961877 January 1975 CAX
Patent History
Patent number: D315368
Type: Grant
Filed: Aug 8, 1988
Date of Patent: Mar 12, 1991
Assignee: Tsukuda Original Co., Ltd. (Tokyo)
Inventor: Takeshi Wakui (Tokyo)
Primary Examiner: Melvin B. Feifer
Assistant Examiner: Prabhakar Deshmukh
Law Firm: Venable, Baetjer, Howard & Civiletti
Application Number: 7/229,554
Classifications
Current U.S. Class: D21/7