Tube end squaring tool

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Information

Patent Grant
D383960

References
Source

Patent Number
D383,960
Date Filed
Monday, July 10, 1995
29 years ago
Date Issued
Tuesday, September 23, 1997
26 years ago

Inventors
- Henry Astle
- William E. Sandford
Original Assignees
- Tri Tool, Inc.
Examiners
- Bullock; B. J.
- Spear; Robert M.
Agents
- Bacon & Thomas

US Classifications
- D08 - Tools and hardware
Field of Search
- US
- D08 61
- D08 70
- D08 71
- D08 72
- 007 157
- 007 158
- 007 170
- 030 96
- 030 97
- 072 298
- 072 306
- 072 313
- 082 128
- 083 571
- 083 187
International Classifications
- 0801
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a tube end squaring tool, as shown and described.

US Referenced Citations (7)

Number	Name	Date	Kind
D255642	Erpenbeck et al.	Jul 1980
D288167	Urspruch	Feb 1987
3798765	Mattsson	Mar 1974
4628779	Louis	Dec 1986
4739682	Birkenstrand	Apr 1988
4825543	Thalmann et al.	May 1989
4845850	Rothenberger	Jul 1989

Non-Patent Literature Citations (1)

Entry
Portable bit sharpener #23929, Leichtung Work Shops Catalog, Summer 1991, p. 12.