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
Classifications
Current U.S. Class: Disc, Rotary Hoe, Or Tooth (D15/29)
International Classification: D1503;