US3430602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater propulsion systems employing n2o
Assignee: RTX Corp
•
Filing: 1967-02-16
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Granted: 1969-03-04
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Expires: 1987-02-16
Abstract
No abstract record available.
Inventors
- 👤 Leonard Greiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:29
CPC Classifications
A; A63; A63B; A63B35/00; A63B35/08; A63B35/12; A63B35/125; B; B63; B63H; B63H11/00; B63H11/12; B63H11/16; B63C; B63C11/00; B63C11/02; B63C2011/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3293851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |