Patent US772067A successfully refreshed from Google Patents.
US772067A
Expired / Lapsed
US
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Electric controller.
Assignee: Otis Elevator Co
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Filing: 1904-07-20
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Granted: 1904-10-11
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Expires: 1924-07-20
Abstract
No abstract record available.
Inventors
- 👤 August Sundh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:02
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05F15/681; E05F15/684; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/106; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20924
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) | 1907-10-11 | 1908-04-11 | 1908-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-10-11 | 1912-04-11 | 1912-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-10-11 | 1916-04-11 | 1916-10-11 | $7700.00 | Window Closed / Lapsed |