USD301435SExpiredUtility

Railway crossing insert

56
Assignee: MARTIN JOHN KPriority: Mar 25, 1987Filed: Mar 25, 1987Granted: Jun 6, 1989
Est. expiryMar 25, 2007(expired)· nominal 20-yr term from priority
Inventors:John K. Martin
56
PatentIndex Score
7
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2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a railway crossing insert, as shown and described.

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