USD270286SExpiredUtility

Interchangeable entrance staircase for mobile homes and the like

40
Individually held — no corporate assignee on recordPriority: Aug 20, 1981Filed: Aug 20, 1981Granted: Aug 23, 1983
Est. expiryAug 20, 2001(expired)· nominal 20-yr term from priority
Inventors:Francis L. StrubenJean C. Struben
40
PatentIndex Score
3
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design of an interchangeable entrance staircase for mobile homes and the like, as shown and described.

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