USD275997SExpiredUtility

Building block

53
Individually held — no corporate assignee on recordPriority: Sep 29, 1982Filed: Sep 29, 1982Granted: Oct 16, 1984
Est. expirySep 29, 2002(expired)· nominal 20-yr term from priority
Inventors:John N. RassiasCecily M. Clark
53
PatentIndex Score
5
Cited by
3
References
1
Claims

Claims

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

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