US2936729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine propulsion means
Assignee: Individual
•
Filing: 1955-11-08
•
Granted: 1960-05-17
•
Expires: 1975-11-08
Abstract
No abstract record available.
Inventors
- 👤 Kuttner Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:50
CPC Classifications
A; A63; A63H; A63H23/00; A63H23/02; A63H23/04; B; B63; B63H; B63H1/00; B63H1/30; B63H1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE301446C
Cited
US443991A
Cited
US621719A
Cited
US1324722A
Cited
GB126231A
Cited
DE733446C
Cited
US2432869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |