US2926550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine propulsion plant
Assignee: Individual
•
Filing: 1956-12-05
•
Granted: 1960-03-01
•
Expires: 1976-12-05
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm G Stoeckicht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:28
CPC Classifications
B; B63; B63H; B63H23/00; B63H23/02; B63H23/10; B63H23/12; F; F16; F16H; F16H1/00; F16H1/28; F16H1/2809; F16H1/2845; F16H2001/289
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1621915A
Cited
US2007032A
Cited
US2330985A
Cited
US2410556A
Cited
US2366646A
Cited
GB595221A
Cited
US2450214A
Cited
US2703021A
Cited
US2737064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |