USD367002SExpiredUtility
Railroad lock nut fastener
Est. expirySep 21, 2013(expired)· nominal 20-yr term from priority
Inventors:John J. Grey
76
PatentIndex Score
21
Cited by
21
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a railroad lock nut fastener, as shown and described.
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