USD315796SExpiredUtility

Portable scaffold

43
Individually held — no corporate assignee on recordPriority: Feb 21, 1989Filed: Feb 21, 1989Granted: Mar 26, 1991
Est. expiryFeb 21, 2009(expired)· nominal 20-yr term from priority
Inventors:Larry SmithRichard L. Caldwell
43
PatentIndex Score
4
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable scaffold, as shown.

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