Power concrete hammer

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Information

Patent Grant
D301967

References
Source

Patent Number
D301,967
Date Filed
Tuesday, July 22, 1986
38 years ago
Date Issued
Tuesday, July 4, 1989
35 years ago

Inventors
- Masakazu Sakamoto
- Toshiaki Saito
Original Assignees
- Ryobi Ltd.
Examiners
- Dunkins; Bruce W.
- Heflin; Clare E.
Agents
- Sughrue, Mion, Zinn, Macpeak & Seas

US Classifications
- D08 - Tools and hardware
Field of Search
- US
- D08 61-70
- 173 170
- 081 5711
- 081 5713
- 081 5714
- 051 170 R
- 051 170 PT
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a power concrete hammer, as shown.

Priority Claims (1)

Number	Date	Country	Kind
61-4581	Feb 1986	JPX

US Referenced Citations (4)

Number	Name	Date	Kind
D242427	Wilsgaard	Nov 1976
2518395	Sopris	Aug 1950
2533487	Maurer et al.	Dec 1950
3837409	Consoli et al.	Sep 1974

Non-Patent Literature Citations (1)

Entry
Popular Mechanics, May 1987, p. 42, SKIL Concrete Buster.