Patent US2612664A successfully refreshed from Google Patents.
Patent US3194515A successfully refreshed from Google Patents.
US3194515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet aircraft structure for engine removal
Assignee: Northrop Grumman Corp
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Filing: 1963-12-06
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Granted: 1965-07-13
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 Cohan Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:58
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)
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 |