Three-finned point attack mining bit

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Information

Patent Grant
D387072

References
Source

Patent Number
D387,072
Date Filed
Thursday, July 25, 1996
28 years ago
Date Issued
Tuesday, December 2, 1997
27 years ago

Inventors
- Randall W. Ojanen
Original Assignees
- Rogers Tool Works, Inc.
Examiners
- Davis; Antoine Duval
Agents
- Dickstein Shapiro Morin & Oshinsky LLP

US Classifications
- D15 - Machines not elsewhere specified
Field of Search
- US
- D15 138
- D15 139
- 175 57
- 175 4201
- 175 4202
- 407 113
International Classifications
- 1509
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a three-finned point-attack mining bit, as shown and described.

US Referenced Citations (3)

Number	Name	Date	Kind
D347232	Massa et al.	May 1994
4446936	Sarin et al.	May 1984
4527931	Sarin	Jul 1985