US2163140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parallel operation of marine generators
Assignee: Westinghouse Electric Corp
•
Filing: 1938-01-29
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Granted: 1939-06-20
•
Expires: 1958-01-29
Abstract
No abstract record available.
Inventors
- 👤 Harry C Coleman
- 👤 Lynn Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:42
CPC Classifications
B; B63; B63H; B63H23/00; B63H23/22; B63H23/24; B63H21/00; B63H21/12; B63H21/17; B60; B60L; B60L2200/00; B60L2200/32; B63H21/21; B63H2021/216; B63H5/00; B63H5/07; B63H5/08
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) | 1942-06-19 | 1942-12-19 | 1943-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-19 | 1946-12-19 | 1947-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-19 | 1950-12-19 | 1951-06-20 | $7700.00 | Window Closed / Lapsed |