USD333902SExpiredUtility

Combined tractor trailer lifter and switch therefor

8
Individually held — no corporate assignee on recordPriority: May 9, 1991Filed: May 9, 1991Granted: Mar 9, 1993
Est. expiryMay 9, 2011(expired)· nominal 20-yr term from priority
Inventors:Russell D. Cunningham
8
PatentIndex Score
1
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined tractor trailer lifter and switch therefor, as shown and described.

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