Soil compaction tester
Description
FIG. 1 is a top and left front perspective view of a soil compaction tester showing my new design;
FIG. 2 is a left side elevational view thereof, the right side being a mirror image thereto;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof on an enlarged scale.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| 1942982 | January 1934 | Schneider |
| 2117985 | May 1938 | Ridenour |
| 2916913 | December 1959 | Stevenson |
| 4332160 | June 1, 1982 | Baragar |
| 1216574 | May 1966 | DEX |
| 53350 | May 1967 | DEX |
| 283646 | July 1969 | SUX |
Patent History
Patent number: D288180
Type: Grant
Filed: Oct 2, 1985
Date of Patent: Feb 10, 1987
Inventor: Dale Shrull (Russellville, KY)
Primary Examiner: Nelson C. Holtje
Attorney: Thomas D. Linton
Application Number: 6/783,153
Type: Grant
Filed: Oct 2, 1985
Date of Patent: Feb 10, 1987
Inventor: Dale Shrull (Russellville, KY)
Primary Examiner: Nelson C. Holtje
Attorney: Thomas D. Linton
Application Number: 6/783,153
Classifications
