USD270342SExpiredUtility

Pair of railroad crossing structural components

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Individually held — no corporate assignee on recordPriority: Mar 19, 1981Filed: Mar 19, 1981Granted: Aug 30, 1983
Est. expiryMar 19, 2001(expired)· nominal 20-yr term from priority
Inventors:Lorn L. TrickelWilliam H. Stultz
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PatentIndex Score
1
Cited by
2
References
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Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a pair of railroad crossing structural components, as shown and described.

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