Hydraulic reset ground ripper implement

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top plan view of a hydraulic reset ground ripper implement showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof, the left side being a mirror image of the right side shown herein; and

FIG. 6 is a top plan view of a hydraulic reset ground ripper implement showing a second embodiment of my new design, the sole difference being in the addition of seven ripper elements and the arrangement thereof.

Referenced Cited
U.S. Patent Documents
D216143 November 1969 Cline
3450212 June 1969 Sylvester
3752092 August 1973 Vinyard
Foreign Patent Documents
225,840 December 1959 AU
Other references
  • Implement & Tractor, 9/21/72, p. 32, Chisel Plow, No. 600003, bottom right side of page. Implement & Tractor, 9/7/72, p. 36, Chisel Plow, bottom right side of page. Implement & Tractor, 1/31/75, p. 95, Chisel Plow Model Twelve-Fifty. Implement & Tractor, 3/31/74, p. 92, Chisel Plow, bottom right side of page.
Patent History
Patent number: D244751
Type: Grant
Filed: Mar 8, 1976
Date of Patent: Jun 21, 1977
Inventor: Glen A. Watts (McMinnville, OR)
Primary Examiner: Wallace R. Burke
Assistant Examiner: James M. Gandy
Attorney: Oliver D. Olson
Application Number: 5/664,491
Classifications
Current U.S. Class: Plow, Tiller Or Element Thereof (includes Snow Plow, Blower) (D15/11)
International Classification: D1503;