USD285796SExpiredUtility
Paper brickmaking unit
Individually held — no corporate assignee on recordPriority: Feb 11, 1983Filed: Feb 11, 1983Granted: Sep 23, 1986
Est. expiryFeb 11, 2003(expired)· nominal 20-yr term from priority
Inventors:John S. Doyel
46
PatentIndex Score
3
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a paper brickmaking unit, as shown and described.
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