Bicycle drive chain guide
Description
FIG. 1 is a perspective view of the bicycle drive chain guide showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear-elevational view thereof;
FIG. 4 is an end elevational view thereof;
FIG. 5 is an opposite end 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
Foreign Patent Documents
Other references
D248035 | May 30, 1978 | Brightbill et al. |
D296884 | July 26, 1988 | Coue |
648159 | April 1900 | Bartsch |
3346156 | October 1967 | Jones |
3486727 | December 1969 | Timms |
3813957 | June 1974 | Hurst et al. |
4339060 | July 13, 1982 | Braida, Jr. |
4507105 | March 26, 1985 | Slottmann et al. |
4639240 | January 27, 1987 | Liu |
4832667 | May 23, 1989 | Wren |
0175827 | March 1922 | GBX |
- American Bicyclist & Motorcyclist, Aug. 1988, p. 29, the Bicycle Chain Guide No. 7620.
Patent History
Patent number: D321334
Type: Grant
Filed: Dec 14, 1989
Date of Patent: Nov 5, 1991
Inventor: John W. Greenlaw (Clayton, CA)
Primary Examiner: James M. Gandy
Assistant Examiner: Melody Brown
Law Firm: Bruce & McCoy
Application Number: 7/450,843
Type: Grant
Filed: Dec 14, 1989
Date of Patent: Nov 5, 1991
Inventor: John W. Greenlaw (Clayton, CA)
Primary Examiner: James M. Gandy
Assistant Examiner: Melody Brown
Law Firm: Bruce & McCoy
Application Number: 7/450,843
Classifications