Ground opener tool

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Information

Patent Grant
D374018

References
Source

Patent Number
D374,018
Date Filed
Thursday, May 19, 1994
30 years ago
Date Issued
Tuesday, September 24, 1996
28 years ago

Inventors
Original Assignees
- F. P. Bourgault Tillage Tools Ltd.
Examiners
- Baynham; Holly H.
Agents
- Oliff & Berridge

US Classifications
- D15 - Machines not elsewhere specified
- D08 - Tools and hardware
Field of Search
- US
- D08 1
- D08 7
- D08 9
- D08 11
- D15 11
- D15 29
- 172 371-372
- 172 375-376
- 172 495
- 172 719-721
- 172 722
- 172 724
- 172 733
- 007 114-116
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a ground opener tool, as shown.

Priority Claims (1)

Number	Date	Country	Kind
26-11-93-2	Nov 1993	CAX

US Referenced Citations (12)

Number	Name	Date	Kind
104754	Miner	Jun 1870
139750	Zocher	Jun 1873
147633	Haiman	Feb 1874
185722	Buhoup	Dec 1876
D274187	Krammer	Jun 1984
D277862	Johnson et al.	Mar 1985
D285205	Johnson	Aug 1986
D289172	Bolinger	Apr 1987
589025	Purnell	Aug 1897
1639593	Dean	Aug 1927
1648843	Francis	Nov 1927
4583599	Anderson	Apr 1986

Foreign Referenced Citations (6)

Number	Date	Country
55526	Jan 1926	AUX
108363	Oct 1907	CAX
111932	May 1908	CAX
152870	Dec 1913	CAX
756850	Apr 1967	CAX
1203717	Apr 1986	CAX