US3259096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thruster apparatus for craft
Assignee: Bowles Engineering Corp
•
Filing: 1964-03-10
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Granted: 1966-07-05
•
Expires: 1984-03-10
Abstract
No abstract record available.
Inventors
- 👤 Romald E Bowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:34
CPC Classifications
B; B63; B63H; B63H25/00; B63H25/46; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2229; Y10T137/2256
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A FORCE GENERATOR SYSTEM FOR WATER-BORNE CRAFT HAVING A HULL, SAID SYSTEM COMPRISING AN OPENING IN SAID HULL, A PASSAGE COMMUNICATING WITH SAID OPENING, A PROPELLER LOCATED IN SAID PASSAGE FOR INDUCTING WATER INTO SAID PASSAGE THROUGH SAID OPENING IN SAID HULL, A PURE FLUID AMPLIFIER HAVING A POWER NOZZLE, AT LEAST ONE CONTROL NOZZLE, AND TWO OUTPUT PASSAGES POSITONED TO RECEIVE WATER ISSUED BY SAID POWER NOZZLE, TWO PORTS IN SAID HULL, SAID PORTS ADAPTED TO ISSUE WATER IN GENERALLY OPPOSITE DIRECTIONS, EACH OF SAID PORTS BEING IN FLOW COMMUNICATION WITH A DIFFERENT ONE OF SAID OUTPUT PASSAGES, SAID POWER NOZZLE RECEIVING WATER UNDER PRESSURE FROM
Claim 2
Dependent Claim
107 words
A FORCE GENERATOR SYSTEM FOR WATER-BORNE CRAFT HAVING A HULL, SAID SYSTEM COMPRISING AN OPENING IN SAID HULL, A PASSAGE COMMUNICATING WITH SAID OPENING, A PROPELLER LOCATED IN SAID PASSAGE FOR INDUCTING WATER INTO SAID PASSAGE THROUGH SAID OPENING IN SAID HULL, A PURE FLUID AMPLIFIER HAVING A POWER NOZZLE, AT LEAST ONE CONTROL NOZZLE, AND TWO OUTPUT PASSAGES POSITONED TO RECEIVE WATER ISSUED BY SAID POWER NOZZLE, TWO PORTS IN SAID HULL, SAID PORTS ADAPTED TO ISSUE WATER IN GENERALLY OPPOSITE DIRECTIONS, EACH OF SAID PORTS BEING IN FLOW COMMUNICATION WITH A DIFFERENT ONE OF SAID OUTPUT PASSAGES, SAID POWER NOZZLE RECEIVING WATER UNDER PRESSURE FROM
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |