Grouser
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Description
FIG. 1 is a perspective view of a grouser showing my new design, wherein the broken line depictions of the spline element and the portion of the continuous track belt are included for illustrative purposes and form no part of the claimed design.
FIG. 2 is a front end view of the grouser, the back end view being a mirror image thereof.
FIG. 3 is a bottom view of the grouser, wherein the broken line depictions of the mounting holes are included for illustrative purposes and form no part of the claimed design.
FIG. 4 is a top view of the grouser; and,
FIG. 5 is a first side view of the grouser, the second side view being a mirror image thereof.
Claims
The ornamental design for a grouser, as shown and described.
Referenced Cited
U.S. Patent Documents
| 3561825 | February 1971 | Gibson et al. |
| 3601212 | August 1971 | Peterson et al. |
| 3756668 | September 1973 | Russ, Sr. |
| 4635740 | January 13, 1987 | Krueger et al. |
| D298018 | October 11, 1988 | Cartwright |
| 4938546 | July 3, 1990 | Simmons |
| 5199771 | April 6, 1993 | James et al. |
| 5265949 | November 30, 1993 | Haug |
| 5330019 | July 19, 1994 | Cartwright |
| 5690398 | November 25, 1997 | Pribyl |
Patent History
Patent number: D473244
Type: Grant
Filed: Feb 19, 2002
Date of Patent: Apr 15, 2003
Assignee: Ironwood Designs LLC (Tigard, OR)
Inventor: Richard D. Cartwright (Beaverton, OR)
Primary Examiner: Mitchell Siegel
Attorney, Agent or Law Firm: Karen Dana Oster
Application Number: 29/155,976
Type: Grant
Filed: Feb 19, 2002
Date of Patent: Apr 15, 2003
Assignee: Ironwood Designs LLC (Tigard, OR)
Inventor: Richard D. Cartwright (Beaverton, OR)
Primary Examiner: Mitchell Siegel
Attorney, Agent or Law Firm: Karen Dana Oster
Application Number: 29/155,976
Classifications
