Patent US4124534A successfully refreshed from Google Patents.
Patent US3155348A successfully refreshed from Google Patents.
US3155348A
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Aircraft fuselage
Assignee: Ateliers dAviation Louis Breguet SA
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Filing: 1963-05-07
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Granted: 1964-11-03
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Expires: 1983-05-07
Abstract
No abstract record available.
Inventors
- 👤 Armand G Ricard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:01
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/06; B64C1/061; B64C2001/0018; B64C2001/0027; B64C2001/0054; B64C2001/0081; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN AIRCRAFT FUSELAGE CAPABLE OF BEING PRESSURIZED COMPRISING IN COMBINATION: AN UPPER WALL PORTION OF SUBSTANTIALLY CIRCULAR CROSS-SECTION EXTENDING OVER AN ANGLE GREATER THAN 180*, A FLOOR PORTION EXTENDING FROM ONE EDGE OF THE UPPER WALL PORTION TO THE OTHER, A LOWER WALL PORTION HAVING A RADIUS OF CURVATURE AT LEAST EQUAL TO THAT OF THE UPPER WALL PORTION, AND LONGITUDINAL MEMBERS CONNECTING THE ADJACENT EDGES OF THE SAID THREE PORTIONS TO ONE ANOTHER, SAID MEMBERS EACH COMPRISING A WEB TO WHICH IS FIXED THE SAID FLOOR PORTION AND THIN FLEXIBLE FLANGES EXTENDING FROM SAID WEB IN SUBSTANTIALLY TANGENTIAL RELATIONSHIP WITH SAID WALL PORTIONS TO WHICH THEY ARE RESPECTIVELY FIXED.
Claim 2
Dependent Claim
110 words
AN AIRCRAFT FUSELAGE CAPABLE OF BEING PRESSURIZED COMPRISING IN COMBINATION: AN UPPER WALL PORTION OF SUBSTANTIALLY CIRCULAR CROSS-SECTION EXTENDING OVER AN ANGLE GREATER THAN 180*, A FLOOR PORTION EXTENDING FROM ONE EDGE OF THE UPPER WALL PORTION TO THE OTHER, A LOWER WALL PORTION HAVING A RADIUS OF CURVATURE AT LEAST EQUAL TO THAT OF THE UPPER WALL PORTION, AND LONGITUDINAL MEMBERS CONNECTING THE ADJACENT EDGES OF THE SAID THREE PORTIONS TO ONE ANOTHER, SAID MEMBERS EACH COMPRISING A WEB TO WHICH IS FIXED THE SAID FLOOR PORTION AND THIN FLEXIBLE FLANGES EXTENDING FROM SAID WEB IN SUBSTANTIALLY TANGENTIAL RELATIONSHIP WITH SAID WALL PORTIONS TO WHICH THEY ARE RESPECTIVELY FIXED.
References Cited (Backward Citations)
US1475210A
Cited
US2003433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |