Patent US3267947A successfully refreshed from Google Patents.
US3267947A
Expired / Lapsed
US
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Pressure recovery from bistable element
Assignee: Individual
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Filing: 1963-06-17
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Granted: 1966-08-23
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Romald E Bowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:20
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2229; Y10T137/2256; Y10T137/2262
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PURE FLUID SYSTEM COMPRISING AN INTERACTION CHAMBER, A DIVIDER HAVING A RELATIVELY NARROW END AND WALLS DIVERGING OUTWARDLY AT AN ANGLE OF NOT GREATER THAN APPROXIMATELY 90* RELATIVE TO ONE ANOTHER, SAID END OF SAID DIVIDER DEFINING ONE END OF SAID INTERACTION CHAMBER, A POWER NOZZLE FOR ISSUING A STREAM OF FLUID ACROSS SAID INTRACTION CHAMBER TOWARDS SAID END OF SAID DIVIDER, A PAIR OF OUTWARDLY DIVERGING SIDEWALLS DEFINING OPPOSITE SIDES OF SAID INTERACTION CHAMBER AND EXTENDING FROM A LOCATION UPSTREAM OF SAID END OF SAID DIVIDER TO A LOCATION DOWNSTREAM THEREOF, AT LEAST ONE OF SAID SIDEWALLS BEING LOCATED SUCH AS TO CAUSE A BOUNDARY LAYER TO BE ESTABLISHED BETWEEN
Claim 2
Dependent Claim
112 words
A PURE FLUID SYSTEM COMPRISING AN INTERACTION CHAMBER, A DIVIDER HAVING A RELATIVELY NARROW END AND WALLS DIVERGING OUTWARDLY AT AN ANGLE OF NOT GREATER THAN APPROXIMATELY 90* RELATIVE TO ONE ANOTHER, SAID END OF SAID DIVIDER DEFINING ONE END OF SAID INTERACTION CHAMBER, A POWER NOZZLE FOR ISSUING A STREAM OF FLUID ACROSS SAID INTRACTION CHAMBER TOWARDS SAID END OF SAID DIVIDER, A PAIR OF OUTWARDLY DIVERGING SIDEWALLS DEFINING OPPOSITE SIDES OF SAID INTERACTION CHAMBER AND EXTENDING FROM A LOCATION UPSTREAM OF SAID END OF SAID DIVIDER TO A LOCATION DOWNSTREAM THEREOF, AT LEAST ONE OF SAID SIDEWALLS BEING LOCATED SUCH AS TO CAUSE A BOUNDARY LAYER TO BE ESTABLISHED BETWEEN
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |