Head unit for a post hole digger
Latest USM Corporation Patents:
Description
FIG. 1 is a front elevational view of a head unit for a post hole digger illustrating my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a top plan view thereof; and
FIG. 6 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
1407232 | February 1922 | Stevens |
1428202 | September 1922 | Arndt |
2487518 | November 1949 | Brooke |
2510584 | June 1950 | Kanagawa |
2735712 | February 1956 | Hart |
2823060 | February 1958 | Sullivan et al. |
Patent History
Patent number: D287218
Type: Grant
Filed: Aug 8, 1984
Date of Patent: Dec 16, 1986
Assignee: USM Corporation (Farmington, CT)
Inventor: William E. Portz (Anderson, SC)
Primary Examiner: B. J. Bullock
Assistant Examiner: Brian N. Vinson
Attorney: Barry E. Deutsch
Application Number: 6/638,842
Type: Grant
Filed: Aug 8, 1984
Date of Patent: Dec 16, 1986
Assignee: USM Corporation (Farmington, CT)
Inventor: William E. Portz (Anderson, SC)
Primary Examiner: B. J. Bullock
Assistant Examiner: Brian N. Vinson
Attorney: Barry E. Deutsch
Application Number: 6/638,842
Classifications
Current U.S. Class:
D 8/7