US3243126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable area exhaust nozzle
Assignee: RTX Corp
•
Filing: 1963-09-18
•
Granted: 1966-03-29
•
Expires: 1983-09-18
Abstract
No abstract record available.
Inventors
- 👤 Kurti Alexander
- 👤 Everett A Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:58
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/12; F02K1/1207; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A JET ENGINE VARIABLE AREA EXHAUST NOZZLE, AN EXHAUST DUCT DEFINING A FIXED OUTLET, A PLURALITY OF PIVOTABLE FLAPS DETACHED FROM AND POSITIONED SUBSTANTIALLY EQUALLY ABOUT SAID FIXED OUTLET, MEANS PIVOTALLY ATTACHED TO SAID DUCT AND PIVOTALLY SUPPORTING SAID FLAPS TO PERMIT INWARD AND OUTWARD PIVOTAL MOVEMENT THEREOF TO DEFINE A VARIABLE AREA EXHAUST OUTLET, MEANS CONNECTING SAID FLAP SUPPORTING MEANS TO FORM A RING THEREWITH AROUND SAID FLAPS, A FIXED MEMBER ENVELOPING SAID RING, AND FLEXIBLE MEANS CONNECTING SAID FIXED MEMBER TO SAID
Claim 2
Dependent Claim
85 words
IN A JET ENGINE VARIABLE AREA EXHAUST NOZZLE, AN EXHAUST DUCT DEFINING A FIXED OUTLET, A PLURALITY OF PIVOTABLE FLAPS DETACHED FROM AND POSITIONED SUBSTANTIALLY EQUALLY ABOUT SAID FIXED OUTLET, MEANS PIVOTALLY ATTACHED TO SAID DUCT AND PIVOTALLY SUPPORTING SAID FLAPS TO PERMIT INWARD AND OUTWARD PIVOTAL MOVEMENT THEREOF TO DEFINE A VARIABLE AREA EXHAUST OUTLET, MEANS CONNECTING SAID FLAP SUPPORTING MEANS TO FORM A RING THEREWITH AROUND SAID FLAPS, A FIXED MEMBER ENVELOPING SAID RING, AND FLEXIBLE MEANS CONNECTING SAID FIXED MEMBER TO SAID
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |