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Information
Patent Grant
D272255
References
Source
Patent Number
D272,255
Date Filed
Tuesday, August 7, 1979
45 years ago
Date Issued
Tuesday, January 17, 1984
41 years ago
Inventors
Yasushi Chatani
Toshio Tsuchikura
Original Assignees
Kawada Co., Ltd.
Examiners
Rademaker; Charles A.
Agents
Finkelstein; Don B.
US Classifications
D21 - Games, toys, and sports goods
Field of Search
US
D21 104-108
046 16
046 17
046 22
046 23
046 24
046 25
046 26
046 27
046 28
046 29
046 31
D25 86
D25 85
D25 80
D25 61
D25 70
D25 77
D25 78
International Classifications
Term of Grant
14Years
Information
Content
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Abstract
Description
Claims
The ornamental design for a toy block, as shown and described.
Priority Claims (1)
Number
Date
Country
Kind
53-18408
May 1978
JPX
Foreign Referenced Citations (1)
Number
Date
Country
523660
Sep 1920
FRX
Non-Patent Literature Citations (1)
Entry
Spiel-Naef Collection Flier, 1968, Item #540, Toy Block as indicated.