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US3243126A Expired / Lapsed US ⏱️ 0.0 years remaining

Variable area exhaust nozzle

Assignee: RTX Corp
•
Filing: 1963-09-18
•
Granted: 1966-03-29
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Expires: 1983-09-18
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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 19:19
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

References Cited (Backward Citations)

US2714285A Cited
US2831319A Cited
US2928234A Cited
US2931169A Cited
US3032974A Cited
US2874538A Cited
US2984068A Cited
US2926491A Cited

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

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