USD312643SExpiredUtility

Tractor

59
Assignee: DEERE & COPriority: Aug 22, 1988Filed: Aug 22, 1988Granted: Dec 4, 1990
Est. expiryAug 22, 2008(expired)· nominal 20-yr term from priority
Inventors:Michael L. GoyenWilliam E. Crookes
59
PatentIndex Score
10
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a tractor, as shown.

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