US3300142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket nozzle capable of inducing flow separation
Assignee: Whittaker Corp
•
Filing: 1963-06-25
•
Granted: 1967-01-24
•
Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 John F Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:09
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A ROCKET NOZZLE COMPRISING AN ABLATIVE MATERIAL HAVING A CONVERGENT INLET SECTION ADAPTED TO DIRECT INCOMING GASES SUBSTANTIALLY RADIALLY INWARDLY SO AS TO INDUCE FLOW SEPARATION, SAID NOZZLE BEING PROVIDED WITH A SACRIFICIAL BARRIER MEANS UPSTREAM OF SAID INLET SECTION FOR GENERATING GASES TO PROMOTE FLOW SEPARATION.
Claim 2
Dependent Claim
47 words
A ROCKET NOZZLE COMPRISING AN ABLATIVE MATERIAL HAVING A CONVERGENT INLET SECTION ADAPTED TO DIRECT INCOMING GASES SUBSTANTIALLY RADIALLY INWARDLY SO AS TO INDUCE FLOW SEPARATION, SAID NOZZLE BEING PROVIDED WITH A SACRIFICIAL BARRIER MEANS UPSTREAM OF SAID INLET SECTION FOR GENERATING GASES TO PROMOTE FLOW SEPARATION.
References Cited (Backward Citations)
US3125955A
Cited
US2206057A
Cited
US2489953A
Cited
US2497888A
Cited
US2975588A
Cited
US2909032A
Cited
US2835107A
Cited
US2990684A
Cited
US3172252A
Cited
US3122884A
Cited
US3142960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |