Portable electric hammer drill

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Information

Patent Grant
D342878

References
Source

Patent Number
D342,878
Date Filed
Wednesday, November 6, 1991
33 years ago
Date Issued
Tuesday, January 4, 1994
31 years ago

Inventors
- Masakazu Sakamoto
- Satoru Watanabe
Original Assignees
- Ryobi Ltd.
Examiners
- Douglas; Alan P.
- Musgrove; J. H.
Agents
- Sughrue, Mion, Zinn, Macpeak & Seas

US Classifications
- D08 - Tools and hardware
Field of Search
- US
- D08 61
- D08 68
- 081 5713
- 081 5714
- 081 5711
- 173 170
- 408 124
- 408 125
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a portable electric hammer drill, as shown.

Priority Claims (1)

Number	Date	Country	Kind
3-13193	May 1991	JPX

US Referenced Citations (4)

Number	Name	Date	Kind
D300717	Hasegawa et al.	Apr 1989
D314498	Hoshino et al.	Feb 1991
D314698	Zurwelle	Feb 1991
D325860	Fushiya et al.	May 1992

Non-Patent Literature Citations (2)

Entry
Bosch catalog sheet for light electric hammers.
Hitachi catalog sheet for electric hammers.