Wrench
Description
FIG. 1 is a perspective view of a wrench showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D103579 | March 1937 | McNaught |
D256606 | August 26, 1980 | Hoggard |
300604 | June 1884 | Hartmann |
720554 | February 1903 | Benesh |
1042318 | October 1912 | Chamberlain |
2196701 | April 1940 | Homsher |
4111591 | September 5, 1978 | Rolnick |
3937 | March 1956 | DEX |
324796 | February 1930 | GBX |
- Snap-On Tools catalog of Mar. 1979, p. 173, item J--Axle Rethreader.
Patent History
Patent number: D292477
Type: Grant
Filed: Mar 21, 1984
Date of Patent: Oct 27, 1987
Inventor: Chern Shyi-Kuan (Peitou Li, Tsau-Tun Town, Nan-Tou Hsien)
Primary Examiner: Susan J. Lucas
Assistant Examiner: C. E. Heflin
Attorney: Robert B. Frailey
Application Number: 6/591,951
Type: Grant
Filed: Mar 21, 1984
Date of Patent: Oct 27, 1987
Inventor: Chern Shyi-Kuan (Peitou Li, Tsau-Tun Town, Nan-Tou Hsien)
Primary Examiner: Susan J. Lucas
Assistant Examiner: C. E. Heflin
Attorney: Robert B. Frailey
Application Number: 6/591,951
Classifications
Current U.S. Class:
D 8/21;
D 8/27