USD252951SExpiredUtility

Building header block

88
Individually held — no corporate assignee on recordPriority: May 16, 1977Filed: May 16, 1977Granted: Sep 18, 1979
Est. expiryMay 16, 1997(expired)· nominal 20-yr term from priority
Inventors:James A. Schuring
88
PatentIndex Score
30
Cited by
3
References
1
Claims

Claims

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

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