Trencher tool
Description
FIG. 1 is a perspective view of a trencher tool showing my new design, but shown on a reduced scale;
FIG. 2 is a top plan view thereof;
FIG. 3 is a side elevational view thereof the opposite side being a mirror image of that shown;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is an end elevational view thereof;
FIG. 6 is an opposite end elevational view thereof;
FIG. 7 is a vertical cross-sectioinal view thereof, taken along line 7--7 of FIG. 3; and
FIG. 8 is a vertical cross-sectional view thereof, taken along line 8--8 of FIG. 3.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D43153 | October 1912 | Moore |
D300109 | March 7, 1989 | Zabarte |
1089326 | November 1967 | GBX |
- Smith & Hauken Catalogue (Summer 1984), p. 25, "Pick and Hoe". Ames Home, Farm & Industry Catalogue, No. 21-990 (May, 1986), p. 26, Mattock I-18-318.
Patent History
Patent number: D307099
Type: Grant
Filed: Oct 5, 1987
Date of Patent: Apr 10, 1990
Inventor: Ron Zabarte (Walnut Creek, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorney: Harris Zimmerman
Application Number: 7/104,390
Type: Grant
Filed: Oct 5, 1987
Date of Patent: Apr 10, 1990
Inventor: Ron Zabarte (Walnut Creek, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorney: Harris Zimmerman
Application Number: 7/104,390
Classifications
Current U.S. Class:
D 8/11