USD244494SExpiredUtility

Step stool

77
Assignee: LITTON BUSINESS SYSTEMS INCPriority: Jan 12, 1970Filed: Jan 12, 1970Granted: May 31, 1977
Est. expiryJan 12, 1990(expired)· nominal 20-yr term from priority
Inventors:Robert J. Dottinger
77
PatentIndex Score
22
Cited by
0
References
1
Claims

Claims

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

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