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Patent US1417342A successfully refreshed from Google Patents.
US1417342A
Expired / Lapsed
US
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Electric ship propulsion
Assignee: General Electric Co
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Filing: 1921-03-24
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Granted: 1922-05-23
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Expires: 1941-03-24
Abstract
No abstract record available.
Inventors
- 👤 Martin John
- 👤 Frederick H Clough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:53
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/04; B; B60; B60L; B60L2200/00; B60L2200/32; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64
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) | 1925-05-22 | 1925-11-21 | 1926-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-05-22 | 1929-11-21 | 1930-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-05-22 | 1933-11-21 | 1934-05-23 | $7700.00 | Window Closed / Lapsed |