Patent US3337121A successfully refreshed from Google Patents.
US3337121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid propulsion system
Assignee: Huyck Corp
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Filing: 1964-07-22
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Granted: 1967-08-22
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Expires: 1984-07-22
Abstract
No abstract record available.
Inventors
- 👤 Coanda Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:52
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/12; B63H11/02; B63H11/10; F; F04; F04F; F04F5/00; F04F5/44; F04F5/46; F04F5/464; F04F5/466; F15; F15C; F15C1/00; F15C1/006; F42; F42B; F42B19/00; F42B19/12; F42B19/26; B63G; B63G8/00; B63G8/08; B63H2011/002; B63H2011/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
PUMPING APPARATUS FOR PRODUCING A FLUID PROPULSION FORCE IN A FLUID MEDIUM, WHICH COMPRISES AN ANNULAR SHROUND, A PLURALITY OF PRESSURIZED FLUID FEED CONDUITS POSITIONED WITH THEIR OUTLET ENDS IN RADIALLY SPACED RELATIONSHIP WITH EACH OTHER WITHIN SAID SHROUD, AND A PLURALITY OF ELONGATED FLUID DEFLECTORS EXTENDING LONGITUDINALLY IN RADIALLY SPACED RELATIONSHIP WITH EACH OTHER WITHIN SAID SHROUD, TH OUTLET END OF EACH OF SAID CONDUITS BEING DISPOSED COAXIALLY ABOUT A GIVEN END OF A CORRESPONDING ONE OF SAID DEFLECTORS IN SPACED RELATION THERETO AND IN SPACED RELATION TO SAID SHROUD, EACH OF SAID DEFLECTORS HAVING A PREDETERMINED PARABOLIC SURFACE IMMEDIATELY ADJACENT THE GIVEN END THEREOF WHICH DIVERGES CONTINUOUSLY IN EACH RADIAL PLANE FROM THE AXIS OF SAID CORRESPONDING CONDUIT AND THE DEFLECTOR THEREFOR, THE TERMI-
Claim 2
Dependent Claim
126 words
PUMPING APPARATUS FOR PRODUCING A FLUID PROPULSION FORCE IN A FLUID MEDIUM, WHICH COMPRISES AN ANNULAR SHROUND, A PLURALITY OF PRESSURIZED FLUID FEED CONDUITS POSITIONED WITH THEIR OUTLET ENDS IN RADIALLY SPACED RELATIONSHIP WITH EACH OTHER WITHIN SAID SHROUD, AND A PLURALITY OF ELONGATED FLUID DEFLECTORS EXTENDING LONGITUDINALLY IN RADIALLY SPACED RELATIONSHIP WITH EACH OTHER WITHIN SAID SHROUD, TH OUTLET END OF EACH OF SAID CONDUITS BEING DISPOSED COAXIALLY ABOUT A GIVEN END OF A CORRESPONDING ONE OF SAID DEFLECTORS IN SPACED RELATION THERETO AND IN SPACED RELATION TO SAID SHROUD, EACH OF SAID DEFLECTORS HAVING A PREDETERMINED PARABOLIC SURFACE IMMEDIATELY ADJACENT THE GIVEN END THEREOF WHICH DIVERGES CONTINUOUSLY IN EACH RADIAL PLANE FROM THE AXIS OF SAID CORRESPONDING CONDUIT AND THE DEFLECTOR THEREFOR, THE TERMI-
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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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |