US3492820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet drive for water vehicles
Assignee: J M Voith Mas Fab GmbH
•
Filing: 1968-06-03
•
Granted: 1970-02-03
•
Expires: 1988-06-03
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang Baer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:52
CPC Classifications
B; B63; B63J; B63J3/00; B63J3/02; B63H; B63H11/00; B63H11/12; B63H11/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1498919A
Cited
US2943440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |