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US3194515A Expired / Lapsed US ⏱️ 0.0 years remaining

Jet aircraft structure for engine removal

Assignee: Northrop Grumman Corp
•
Filing: 1963-12-06
•
Granted: 1965-07-13
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Expires: 1983-12-06
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Abstract

No abstract record available.

Inventors

  • 👤 Cohan Sidney

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 01:05
CPC Classifications
B; B64; B64D; B64D27/00; B64D27/02; B64D27/16; B64D27/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 152 words
IN A JET POWERED AIRCRAFT THE COMBINATION COMPRISING: A FUSELAGE EMBODYING A VERTICAL STABILIZER AND HORIZONTAL CONTROL SURFACES AND HAVING A LONGITUDINAL AXIS; SAID FUSELAGE INCLUDING FORE, AFT AND CENTER SECTIONS EACH HAVING INDIVIDUAL LONGITUDINAL AXES COINCIDING WITH THE LONGITUDINAL AXIS OF SAID FUSELAGE; THE AFT END OF SAID CENTER SECTION AND THE FORWARD END OF THE AFT SECTION TERMINATING IN PLANES HAVING A CANTED RELATION WITH RESPECT TO THEIR RESPECTIVE INDIVIDUAL AXIS; SAID MATING PLANES, WHEN SAID CENTER AND AFT SECTIONS ARE IN THEIR ASSEMBLED RELATION BEING LOCATED AFT OF SAID VERTICAL STABILIZER; A TURBINE TYPE ENGINE MOUNTED IN SAID FUSELAGE WITH PORTIONS THEREOF POSITIONED IN SAID CENTER AND AFT SECTIONS AT SUCH TIMES AS THE LATTER SECTIONS ARE ASSEMBLED; AND RELEASABLE MEANS SECURING SAID AFT AND CENTER SECTIONS WHEREBY MAJOR PORTIONS OF SAID ENGINE ARE RENDERED ACCESSIBLE AT SUCH TIMES AS SAID AFT SECTION IS REMOVED FROM SAID CENTER SECTION.
Claim 2
Dependent Claim 152 words
IN A JET POWERED AIRCRAFT THE COMBINATION COMPRISING: A FUSELAGE EMBODYING A VERTICAL STABILIZER AND HORIZONTAL CONTROL SURFACES AND HAVING A LONGITUDINAL AXIS; SAID FUSELAGE INCLUDING FORE, AFT AND CENTER SECTIONS EACH HAVING INDIVIDUAL LONGITUDINAL AXES COINCIDING WITH THE LONGITUDINAL AXIS OF SAID FUSELAGE; THE AFT END OF SAID CENTER SECTION AND THE FORWARD END OF THE AFT SECTION TERMINATING IN PLANES HAVING A CANTED RELATION WITH RESPECT TO THEIR RESPECTIVE INDIVIDUAL AXIS; SAID MATING PLANES, WHEN SAID CENTER AND AFT SECTIONS ARE IN THEIR ASSEMBLED RELATION BEING LOCATED AFT OF SAID VERTICAL STABILIZER; A TURBINE TYPE ENGINE MOUNTED IN SAID FUSELAGE WITH PORTIONS THEREOF POSITIONED IN SAID CENTER AND AFT SECTIONS AT SUCH TIMES AS THE LATTER SECTIONS ARE ASSEMBLED; AND RELEASABLE MEANS SECURING SAID AFT AND CENTER SECTIONS WHEREBY MAJOR PORTIONS OF SAID ENGINE ARE RENDERED ACCESSIBLE AT SUCH TIMES AS SAID AFT SECTION IS REMOVED FROM SAID CENTER SECTION.

References Cited (Backward Citations)

US2504422A Cited
US2783003A Cited
US2944766A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-12 1969-01-11 1969-07-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-12 1973-01-11 1973-07-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-12 1977-01-11 1977-07-13 $7700.00 Window Closed / Lapsed

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