USD253100SExpiredUtility

Observation elevator cab

64
Assignee: OTIS ELEVATOR COPriority: Apr 7, 1977Filed: Apr 7, 1977Granted: Oct 9, 1979
Est. expiryApr 7, 1997(expired)· nominal 20-yr term from priority
Inventors:David J. Hesford
64
PatentIndex Score
9
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an observation elevator cab, as shown and described herein.

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