Ripper shield for construction and agricultural machinery

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Description

FIG. 1 is a front perspective view of a ripper shield for construction and agricultural machinery showing my new design;

FIG. 2 is an exploded front perspective view thereof; and

FIG. 3 is an exploded rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
3171500 March 1965 Dils, Jr.
3268012 August 1966 Ratkowski
3387668 June 1968 Mathers
3550691 December 1970 Davies et al.
3999614 December 28, 1976 Rhoads
Patent History
Patent number: D250713
Type: Grant
Filed: Apr 20, 1977
Date of Patent: Jan 2, 1979
Inventor: Jouko K. Korpi (S-693 00 Degerfors)
Primary Examiner: Wallace R. Burke
Assistant Examiner: James M. Gandy
Attorney: Elliott I. Pollock
Application Number: 5/789,320
Classifications
Current U.S. Class: Element Or Attachment (4) (D15/28)
International Classification: D1503; D1504;