Patent US3302401A successfully refreshed from Google Patents.
US3302401A
Expired / Lapsed
US
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Underwater propulsion system
Assignee: RTX Corp
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Filing: 1965-01-26
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Granted: 1967-02-07
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Expires: 1985-01-26
Abstract
No abstract record available.
Inventors
- 👤 John D Rockenfeller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:56
CPC Classifications
F; F01; F01K; F01K25/00; B; B63; B63G; B63G8/00; B63G8/08; B63G8/10; C; C06; C06B; C06B33/00; C06D; C06D5/00; C06D5/10; F42; F42B; F42B19/00; F42B19/12; F42B19/14; F42B19/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
AN UNDERWATER PROPULSION SYSTEM INCLUDING IN COMBINATION AN OXIDIZER COMPRISING HYDROGEN PEROXIDE, MEANS FOR DECOMPOSING THE OXIDIZER, MEANSFOR REACTING THE DECOMPOSED OXIDIZER AND ONE OF THE THREE LIGHTEST ALKALI METALS IN THE PRESENCE OF WATER TO PRODUCE STEAM, AND MEANS FOR EXPANDING THE STEAM TO PRODUCE WORK.
Claim 2
Dependent Claim
47 words
AN UNDERWATER PROPULSION SYSTEM INCLUDING IN COMBINATION AN OXIDIZER COMPRISING HYDROGEN PEROXIDE, MEANS FOR DECOMPOSING THE OXIDIZER, MEANSFOR REACTING THE DECOMPOSED OXIDIZER AND ONE OF THE THREE LIGHTEST ALKALI METALS IN THE PRESENCE OF WATER TO PRODUCE STEAM, AND MEANS FOR EXPANDING THE STEAM TO PRODUCE WORK.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |