Patent US3279762A successfully refreshed from Google Patents.
US3279762A
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Noise abating and traction improving elevator sheave
Assignee: Otis Elevator Co
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Filing: 1964-03-11
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Granted: 1966-10-18
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Expires: 1984-03-11
Abstract
No abstract record available.
Inventors
- 👤 Bruns William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:22
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/50; B; B66; B66B; B66B15/00; B66B15/02; B66B15/04; B66D; B66D3/00; B66D3/04; B66D3/06; B66D2700/00; B66D2700/02; B66D2700/026; B66D2700/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1560524A
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US2017149A
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US2148123A
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US2628709A
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US2707403A
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US2673470A
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US2954702A
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US2922310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |