US2742798A
Expired / Lapsed
US
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Marine propulsion plant
Assignee: BBC Brown Boveri AG Germany
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Filing: 1954-09-21
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Granted: 1956-04-24
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Expires: 1974-09-21
Abstract
No abstract record available.
Inventors
- 👤 Niederhauser Jakob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:16
CPC Classifications
B; B63; B63H; B63H23/00; B63H23/30; B63H23/02; B63H23/10; B63H23/18; B63H23/20; F; F16; F16H; F16H1/00; F16H37/00; F16H37/02; F16H37/06; F16H37/065; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19014; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |