US3076308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ram jet unit
Assignee: Individual
•
Filing: 1954-11-29
•
Granted: 1963-02-05
•
Expires: 1974-11-29
Abstract
No abstract record available.
Inventors
- 👤 Donald H Sweet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:00
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/10; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE METHOD OF DEVELOPING JET THRUST FOR PROPULSION WHICH COMPRISES: SEGREGATING A COLUMN OF AIR WITHOUT MATERIAL DEFLECTION OR MATERIAL RADIAL EXPANSION; FURTHER SEGREGATING THE SEGREGATED COLUMN INTO AN EXTERNAL ANNULUS AND A CENTRAL CORE; SAID EXTERNAL ANNULUS HAVING A CROSS-SECTION AMOUNTING TO A MINOR FRACTION OF THE TOTAL CROSS-SECTION; SAID CENTRAL CORE BEING SOLID AND SUBSTANTIALLY UNOBSTRUCTED; ACCELERATING THE OUTER ANNULUS REARWARDLY BY EXTRANEOUS POWER; DERIVING SAID EXTRANEOUS POWER FROM THE COMPRESSION OF EXTRANEOUS AIR, AND ALSO FROM THE BURNING OF FUEL IN THE COMPRESSED EXTRANEOUS AIR AS IT ENTERS SAID SEGREGATED FRACTION IN A REARWARD DIRECTION; MERGING SAID REARWARDLY ACCELERATED OUTER ANNULUS WITH SAID CENTRAL CORE AND PERMITTING THE MERGED
Claim 2
Independent Claim
112 words
THE METHOD OF DEVELOPING JET THRUST FOR PROPULSION WHICH COMPRISES: SEGREGATING A COLUMN OF AIR WITHOUT MATERIAL DEFLECTION OR MATERIAL RADIAL EXPANSION; FURTHER SEGREGATING THE SEGREGATED COLUMN INTO AN EXTERNAL ANNULUS AND A CENTRAL CORE; SAID EXTERNAL ANNULUS HAVING A CROSS-SECTION AMOUNTING TO A MINOR FRACTION OF THE TOTAL CROSS-SECTION; SAID CENTRAL CORE BEING SOLID AND SUBSTANTIALLY UNOBSTRUCTED; ACCELERATING THE OUTER ANNULUS REARWARDLY BY EXTRANEOUS POWER; DERIVING SAID EXTRANEOUS POWER FROM THE COMPRESSION OF EXTRANEOUS AIR, AND ALSO FROM THE BURNING OF FUEL IN THE COMPRESSED EXTRANEOUS AIR AS IT ENTERS SAID SEGREGATED FRACTION IN A REARWARD DIRECTION; MERGING SAID REARWARDLY ACCELERATED OUTER ANNULUS WITH SAID CENTRAL CORE AND PERMITTING THE MERGED
References Cited (Backward Citations)
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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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |