Cultivator blade

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Description

FIG. 1 is a perspective view of a cultivator blade showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a typical right-hand side elevational view thereof;

FIG. 4 is a typical left-hand side elevational view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D249821 October 3, 1978 Cooks et al.
824051 June 1906 Willson
1087270 February 1914 Boldin
1527599 February 1925 Martin
1674964 June 1928 Ewing et al.
2117461 May 1938 Stemman
2771019 November 1956 Zeitz
3923104 December 1975 Tibbs
3942591 March 9, 1976 Brannin
4079680 March 21, 1978 Davis
Foreign Patent Documents
912761 December 1962 GBX
Other references
  • Catalog #50, Blish, Mize & Silliman Hardware Co., .COPYRGT.1950, p. 136, No. R584, Schuffle Hoes.
Patent History
Patent number: D274187
Type: Grant
Filed: Aug 3, 1981
Date of Patent: Jun 5, 1984
Inventor: Kelly A. Krammer (Cupar, Saskatchewan)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay
Law Firm: Hauke and Patalidis
Application Number: 6/289,161