USD253250SExpiredUtility
Center plate for a level crossing between a road and a railroad
Est. expiryOct 7, 1997(expired)· nominal 20-yr term from priority
83
PatentIndex Score
18
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a center plate for a level crossing between a road and a railroad, substantially as shown and described.
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