USD311009SExpiredUtility
Grass trimmer attachment for lawn mowers
Individually held — no corporate assignee on recordPriority: Dec 2, 1988Filed: Dec 2, 1988Granted: Oct 2, 1990
Est. expiryDec 2, 2008(expired)· nominal 20-yr term from priority
Inventors:Robert Wilkins
79
PatentIndex Score
26
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a grass trimmer attachment for lawn mowers, as shown.
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