US2304928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ship drive and control system
Assignee: Motors Liquidation Co
•
Filing: 1941-06-30
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Granted: 1942-12-15
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Expires: 1961-06-30
Abstract
No abstract record available.
Inventors
- 👤 Knut O Kcel
- 👤 Charles H Fike
- 👤 William E Brill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:15
CPC Classifications
F; F02; F02D; F02D27/00; B; B63; B63H; B63H21/00; B63H21/21; B63H21/213; B63H21/22; B63H23/00; B63H23/02; B63H23/08
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) | 1945-12-14 | 1946-06-15 | 1946-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-12-14 | 1950-06-15 | 1950-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-12-14 | 1954-06-15 | 1954-12-15 | $7700.00 | Window Closed / Lapsed |