US3105272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure means for elevators
Assignee: Otis Elevator Co
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Filing: 1960-11-04
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Granted: 1963-10-01
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Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Benjamin Whitehead Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:12
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/063; E05D15/0634; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/218; E05Y2201/22; E05Y2201/60; E05Y2201/604; E05Y2201/606; E05Y2201/61; E05Y2201/612; E05Y2201/614; E05Y2201/622; E05Y2201/638; E05Y2201/688; E05Y2201/706; E05Y2600/00; E05Y2600/10; E05Y2600/20; E05Y2600/60; E05Y2600/622
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |