Patent US3662494A successfully refreshed from Google Patents.
US3302884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-trimming ablative nozzle
Assignee: Boeing Co
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Filing: 1963-09-16
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Granted: 1967-02-07
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Curtiss W Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:44
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/80; F02K9/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A REACTION PROPULSION ENGINE NOZZLE THROUGH WHICH A JET OF EXHAUST GAS IS ADAPTED TO PASS HAVING DIVERGENT SIDE WALLS OF RELATIVELY NON-ABLATIVE MATERIAL COMPRISING IN COMBINATION: (A) JET DEFLECTOR MEANS CONNECTED TO THE DIVERGENT SIDE WALLS FOR VARIABLY CHANGING THE DIRECTION OF THE EXHAUST GAS JET WITHIN THE NOZZLE, AND (B) ABLATIVE MATERIAL ATTACHED TO THE INNER SURFACE OF SAID WALLS DOWNSTREAM OF SAID JET DEFLECTOR MEANS AND EXPOSED TO SAID EXHAUST GAS JET, WHEREBY DE-
Claim 2
Dependent Claim
77 words
A REACTION PROPULSION ENGINE NOZZLE THROUGH WHICH A JET OF EXHAUST GAS IS ADAPTED TO PASS HAVING DIVERGENT SIDE WALLS OF RELATIVELY NON-ABLATIVE MATERIAL COMPRISING IN COMBINATION: (A) JET DEFLECTOR MEANS CONNECTED TO THE DIVERGENT SIDE WALLS FOR VARIABLY CHANGING THE DIRECTION OF THE EXHAUST GAS JET WITHIN THE NOZZLE, AND (B) ABLATIVE MATERIAL ATTACHED TO THE INNER SURFACE OF SAID WALLS DOWNSTREAM OF SAID JET DEFLECTOR MEANS AND EXPOSED TO SAID EXHAUST GAS JET, WHEREBY DE-
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |