USD258830SExpiredUtility

Toy building block

73
Assignee: SIGG BROR-HELGEPriority: Mar 16, 1978Filed: Sep 18, 1978Granted: Apr 7, 1981
Est. expiryMar 16, 1998(expired)· nominal 20-yr term from priority
Inventors:Bror-Helge Sigg
73
PatentIndex Score
21
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a toy building block, as shown and described.

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