US1001118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed-regulator for plunger-elevators.
Assignee: Otis Elevator Co
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Filing: 1907-02-25
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Granted: 1911-08-22
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Expires: 1927-02-25
Abstract
No abstract record available.
Inventors
- 👤 George I Alden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:53
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/027; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1914-08-21 | 1915-02-20 | 1915-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-08-21 | 1919-02-20 | 1919-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-08-21 | 1923-02-20 | 1923-08-22 | $7700.00 | Window Closed / Lapsed |