USD342710SExpiredUtility
Secondary trailer brake locking unit
Individually held — no corporate assignee on recordPriority: Sep 16, 1991Filed: Sep 16, 1991Granted: Dec 28, 1993
Est. expirySep 16, 2011(expired)· nominal 20-yr term from priority
Inventors:Horace D. Shelton
21
PatentIndex Score
4
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a secondary trailer brake locking unit, as shown and described.
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