Patent US3065826A successfully refreshed from Google Patents.
US3065826A
Expired / Lapsed
US
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Entranceway apparatus and closure means for elevators
Assignee: Otis Elevator Co
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Filing: 1958-07-30
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Granted: 1962-11-27
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Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Benjamin Whitehead Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:47
CPC Classifications
B; B66; B66B; B66B13/00; B66B13/02; B66B13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1937029A
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US2003399A
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US2344222A
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US2432293A
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US2720284A
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US2850115A
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US2859835A
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US2899021A
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US2816625A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |