US3175791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuselage closure for variable sweep aircraft
Assignee: BAC AND BRITISH AEROSPACE
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Filing: 1964-04-14
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Granted: 1965-03-30
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Expires: 1984-04-14
Abstract
No abstract record available.
Inventors
- 👤 Toms Charles Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:32
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/38; B64C3/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
CLOSURE MEANS COMPRISING, A FIXED STRUCTURE HAVING A WALL FORMED WITH AN APERTURE, A MOVING COMPONENT EXTENDING INTO SAID APERTURE, HAVING A CROSS SECTION SMALLER THAN SAID APERTURE, AND BEING MOVABLE IN SAID APERTURE WITH RESPECT TO SAID FIXED STRUCTURE, AT LEAST ONE SET OF LAMELLAE, MEANS MOUNTING SAID LAMELLAE FOR MOVEMENT RELATIVE TO EACH OTHER AND TO SAID STRUCTURE, WITH AT LEAST ONE EDGE OF EACH LAMELLA BEARING AGAINST A SURFACE OF THE COMPONENT AND ARRANGED TO FOLLOW SAID SURFACE AS THE COMPONENT MOVES IN RELATION TO THE STRUCTURE, SAID LAMELLAE EXTENDING SHUTTER-WISE ACROSS GAPS IN SAID APERTURE WHICH MAY EXIST BETWEEN THE MOVING COMPONENT AND THE STRUCTURE.
Claim 2
Dependent Claim
109 words
CLOSURE MEANS COMPRISING, A FIXED STRUCTURE HAVING A WALL FORMED WITH AN APERTURE, A MOVING COMPONENT EXTENDING INTO SAID APERTURE, HAVING A CROSS SECTION SMALLER THAN SAID APERTURE, AND BEING MOVABLE IN SAID APERTURE WITH RESPECT TO SAID FIXED STRUCTURE, AT LEAST ONE SET OF LAMELLAE, MEANS MOUNTING SAID LAMELLAE FOR MOVEMENT RELATIVE TO EACH OTHER AND TO SAID STRUCTURE, WITH AT LEAST ONE EDGE OF EACH LAMELLA BEARING AGAINST A SURFACE OF THE COMPONENT AND ARRANGED TO FOLLOW SAID SURFACE AS THE COMPONENT MOVES IN RELATION TO THE STRUCTURE, SAID LAMELLAE EXTENDING SHUTTER-WISE ACROSS GAPS IN SAID APERTURE WHICH MAY EXIST BETWEEN THE MOVING COMPONENT AND THE STRUCTURE.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |