US3087304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for propelling submarine vehicles
Assignee: Individual
•
Filing: 1959-12-21
•
Granted: 1963-04-30
•
Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Walter Hellmuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:17
CPC Classifications
F; F01; F01K; F01K3/00; F01K3/18; F01K3/188; F42; F42B; F42B19/00; F42B19/12; F42B19/14; F42B19/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
APPARATUS FOR GENERATING SUPERHEATED STEAM COMPRISING MEANS FOR BURNING OXYGEN WITH A CARBON-HYDROGEN AND FEED WATER TO PRODUCE A STEAM-GAS MIXTURE HAVING SUFFICIENT STEAM CONTENT TO BE UTILIZED FOR GENERATING MECHANICAL ENERGY, A COUNTER HEAT EXCHANGER FOR CONDENSING THE STEAM CONTENTS OF SAID MIXTURE TO A MAXIMUM AND FOR EVAPORATING AND SUPERHEATING A SUPPLY OF SEPARATE STEAM CONDENSATE, MEANS FOR SEPARATING THE STEAM CONDENSATE FROM THE GAS EMANATING FROM SAID EXCHANGER TO FORM SAID SEPARATED STEAM CONDENSATE AND MEANS FOR SUPPLYING THE SEPARATED STEAM CONDENSATE TO SAID HEAT EXCHANGER.
References Cited (Backward Citations)
US1263390A
Cited
US1809409A
Cited
US2286207A
Cited
US2290882A
Cited
US2568787A
Cited
US2443841A
Cited
US2663146A
Cited
GB679007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |