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Information
Patent Grant
D329438
References
Source
Patent Number
D329,438
Date Filed
Wednesday, December 19, 1990
34 years ago
Date Issued
Tuesday, September 15, 1992
32 years ago
Inventors
Toshio Mikiya
Michihiro Shouji
Masunari Kowada
Osamu ASANO
Original Assignees
Nitto Kohki Co., Ltd.
Examiners
Walsh; Donald P.
Davis; Antoine D.
Agents
Wenderoth, Lind & Ponack
US Classifications
D15 - Machines not elsewhere specified
Field of Search
US
D15 132
408 9
408 17
408 132
Term of Grant
14Years
Information
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Abstract
Description
Claims
The ornamental design for portable drill, as shown.
Priority Claims (1)
Number
Date
Country
Kind
2-21199
Jun 1990
JPX
US Referenced Citations (5)
Number
Name
Date
Kind
D218574
Moseley et al.
Sep 1970
D237455
Schramm et al.
Nov 1975
D325389
Lin
Apr 1992
5035549
Asano et al.
Jul 1991
5087157
Shoji et al.
Feb 1992