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Information
Patent Grant
D301302
References
Source
Patent Number
D301,302
Date Filed
Monday, July 20, 1987
37 years ago
Date Issued
Tuesday, May 30, 1989
35 years ago
Inventors
Yukio Yamashita
Original Assignees
MASCO BUILDING PRODUCTS CORP
Examiners
Burke; Wallace R.
Vinson; Brian N.
Agents
Redman; Leon E.
Sutherland; Malcolm L.
US Classifications
D08 - Tools and hardware
Field of Search
US
D08 347-348
070 393
070 395
070 401-402
070 405
070 408
070 413
Term of Grant
14Years
Information
Content
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Abstract
Description
Claims
The ornamental design for a key for door locks, as shown and described.
US Referenced Citations (4)
Number
Name
Date
Kind
D235189
Tachi
May 1975
D259994
Salcedo
Jul 1981
D271279
Cziment
Nov 1983
4616491
Genest
Oct 1986
Non-Patent Literature Citations (1)
Entry
Ilco Catalogue #60R (1984) p. 114, Repli-Key Key Blank for E8 Yale.