USD253438SExpiredUtility
Combined work case, pad holder and calculator
Individually held — no corporate assignee on recordPriority: Sep 6, 1977Filed: Sep 6, 1977Granted: Nov 20, 1979
Est. expirySep 6, 1997(expired)· nominal 20-yr term from priority
Inventors:Harold T. Markley
69
PatentIndex Score
18
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined work case, pad holder and calculator, as shown.
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