Ground opener tool

Description

FIG. 1 is a forward perspective view of the ground opener tool;

FIG. 2 is a right elevation of the ground opener tool;

FIG. 3 is a forward elevation of the ground opener tool;

FIG. 4 is a rear elevation of the ground opener tool;

FIG. 5 is a left elevation of the ground opener tool;

FIG. 6 is a top plan view of the ground opener tool;

FIG. 7 is a bottom view of the ground opener tool;

FIG. 8 is a forward perspective view of the ground opener tool in a different environment;

FIG. 9 is a cross-sectional view of the ground opener tool taken along line 9--9 of FIG. 2; and,

FIG. 10 is a cross-sectional view of the ground opener tool taken along line 10--10 of FIG. 2.

The broken line showing the remaining portion of the tool is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
104754 June 1870 Miner
139750 June 1873 Zocher
147633 February 1874 Haiman
185722 December 1876 Buhoup
D274187 June 5, 1984 Krammer
D277862 March 5, 1985 Johnson et al.
D285205 August 19, 1986 Johnson
D289172 April 7, 1987 Bolinger
589025 August 1897 Purnell
1639593 August 1927 Dean
1648843 November 1927 Francis
4583599 April 22, 1986 Anderson
Foreign Patent Documents
555/26 1926 AUX
108363 October 1907 CAX
111932 May 1908 CAX
152870 December 1913 CAX
756850 April 1967 CAX
1203717 April 1986 CAX
Patent History
Patent number: D374018
Type: Grant
Filed: May 19, 1994
Date of Patent: Sep 24, 1996
Assignee: F. P. Bourgault Tillage Tools Ltd. (St. Brieux)
Inventors: Ricky Schemenauer (St. Brieux), Linus Yeager (St. Brieux), Ian Martin (St. Brieux)
Primary Examiner: Holly H. Baynham
Law Firm: Oliff & Berridge
Application Number: 0/23,210
Classifications
Current U.S. Class: Disc, Rotary Hoe, Or Tooth (D15/29); D8/9