Wear point for agricultural fertilizer shank
Description
FIG. 1 is a top front perspective view of a wear point for agricultural fertilizer shank showing my new design;
FIG. 2 is a bottom rear perspective view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a side elevational view thereof; and
FIG. 5 is a rear elevational view thereof.
Referenced Cited
U.S. Patent Documents
D239650 | April 1976 | Clark et al. |
549742 | November 1895 | Perine |
663358 | December 1900 | Oyler |
674786 | May 1901 | Menge |
696253 | March 1902 | Nabours |
1285008 | November 1918 | Boyer |
Patent History
Patent number: D252574
Type: Grant
Filed: Feb 28, 1977
Date of Patent: Aug 7, 1979
Inventor: Charles J. Clark (Spokane, WA)
Primary Examiner: James M. Gandy
Attorney: Greek Wells
Application Number: 5/772,511
Type: Grant
Filed: Feb 28, 1977
Date of Patent: Aug 7, 1979
Inventor: Charles J. Clark (Spokane, WA)
Primary Examiner: James M. Gandy
Attorney: Greek Wells
Application Number: 5/772,511
Classifications