USD250119SExpiredUtility
Irrigation shaft guard
Individually held — no corporate assignee on recordPriority: Sep 27, 1976Filed: Sep 27, 1976Granted: Oct 31, 1978
Est. expirySep 27, 1996(expired)· nominal 20-yr term from priority
Inventors:Stephen R. Qualls
30
PatentIndex Score
4
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an irrigation shaft guard, as shown and described.
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