US2991746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine speed craft
Assignee: Individual
•
Filing: 1958-09-12
•
Granted: 1961-07-11
•
Expires: 1978-09-12
Abstract
No abstract record available.
Inventors
- 👤 Cecil B Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:23
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/18; B63B1/22; B63B7/00; B63B7/02; B63B7/06; B63B7/08; B63H; B63H5/00; B63H5/07; B63H5/08; B63B1/02; B63B1/10; B63B1/12; B63B1/125; B63B2001/126; B63B1/20; B63B2001/204; B63B2001/209
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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |