Patent US1713777A successfully refreshed from Google Patents.
US1713777A
Expired / Lapsed
US
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Motor controller
Assignee: Cutler Hammer Inc
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Filing: 1926-11-10
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Granted: 1929-05-21
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Expires: 1946-11-10
Abstract
No abstract record available.
Inventors
- 👤 Niels L Mortensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:28
CPC Classifications
H; H02; H02P; H02P1/00; H02P1/16; H02P1/18; H02P1/22
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) | 1932-05-20 | 1932-11-19 | 1933-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-05-20 | 1936-11-19 | 1937-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-05-20 | 1940-11-19 | 1941-05-21 | $7700.00 | Window Closed / Lapsed |