Patent GB2187463A successfully refreshed from Google Patents.
US1052528A
Expired / Lapsed
US
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Inductive controlling apparatus.
Assignee: Otis Elevator Co
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Filing: 1910-03-01
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Granted: 1913-02-11
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Expires: 1930-03-01
Abstract
No abstract record available.
Inventors
- 👤 August Sundh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:20
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/013; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1418
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) | 1916-02-11 | 1916-08-12 | 1917-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-02-11 | 1920-08-12 | 1921-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-02-11 | 1924-08-12 | 1925-02-11 | $7700.00 | Window Closed / Lapsed |