Trencher

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Information

Patent Grant
D319063

References
Source

Patent Number
D319,063
Date Filed
Friday, May 15, 1987
37 years ago
Date Issued
Tuesday, August 13, 1991
33 years ago

Inventors
- James R. Warren
Original Assignees
- Austoft Industries Limited
Examiners
- Bullock; B. J.
- Morris; Sandra
Agents
- Dorsey & Whitney

US Classifications
- D15 - Machines not elsewhere specified
Field of Search
- US
- D15 10
- D15 11
- D15 12
- D15 21
- D15 22
- D15 26
- D15 28
- 037 86
- 037 191 A
- 037 192 A
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a trencher, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
7576/86	Nov 1986	AUX

US Referenced Citations (4)

Number	Name	Date	Kind
D266765	Clune	Nov 1982
4402352	Hodges	Sep 1983
4483084	Caldwell et al.	Nov 1984
4896442	Stiff et al.	Jan 1990

Foreign Referenced Citations (1)

Number	Date	Country
1484817	Feb 1969	DEX