Portable pipe end preparation tool

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Information

Patent Grant
D278026

References
Source

Patent Number
D278,026
Date Filed
Tuesday, March 15, 1983
41 years ago
Date Issued
Tuesday, March 19, 1985
39 years ago

Inventors
- William H. Astle
Original Assignees
- Tri Tool, Inc.
Examiners
- Bullock; B. J.
Agents
- Bacon & Thomas

US Classifications
- D08 - Tools and hardware
- D15 - Machines not elsewhere specified
Field of Search
- US
- D15 122
- D15 130
- D08 61
- D08 62
- 409 175
- 082 4 C
- 408 80
- 408 81
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a portable pipe end preparation tool, as shown.

US Referenced Citations (8)

Number	Name	Date	Kind
D264678	Astle et al.	Jun 1982
2227348	Johnson	Dec 1940
3228268	Strout	Jan 1966
3754488	Pajari	Aug 1973
3999452	Larsen	Dec 1976
4114485	Coblitz et al.	Sep 1978
4257289	Groothius	Mar 1981
4411178	Wachs et al.	Oct 1983