Drill for concrete

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Information

Patent Grant
D415774

References
Source

Patent Number
D415,774
Date Filed
Friday, August 22, 1997
27 years ago
Date Issued
Tuesday, October 26, 1999
25 years ago

Inventors
- Takao Wakai
Original Assignees
- Wakai & Co., Ltd.
Examiners
- Davis; Antoine Duval
Agents
- Wenderoth, Lind & Ponack, L.L.P.

US Classifications
- D15 - Machines not elsewhere specified
Field of Search
- US
- D15 139
- 408 199-234
International Classifications
- 1509
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a drill for concrete, as shown and described.

US Referenced Citations (4)

Number	Name	Date	Kind
D390239	Mulin	Feb 1998
3478639	Gruca	Nov 1969
5074728	Hsu	Dec 1991
5413444	Thomas et al.	May 1995