USD267320SExpiredUtility
Blade plough
Individually held — no corporate assignee on recordPriority: May 8, 1979Filed: Nov 7, 1979Granted: Dec 21, 1982
Est. expiryMay 8, 1999(expired)· nominal 20-yr term from priority
Inventors:Darrell C. Symonds
82
PatentIndex Score
18
Cited by
1
References
1
Claims
Claims
exact text as granted — not AI-modifiedA blade plough, substantially as shown and described.
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