Patent US3310260A successfully refreshed from Google Patents.
US3310260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vstol aircraft
Assignee: BAE Systems PLC
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Filing: 1965-02-01
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Granted: 1967-03-21
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Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Chichester-Miles Ian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:02
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0016; B64C29/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A VSTOL AIRCRAFT PROVIDED WITH WINGS HAVING A PLAN-FORM SELECTED FROM THE GROUP COMPRISING NARROW DELTA, COMPOUND DELTA AND OGEE, AT LEAST THE INBOARD PORTIONS OF SAID WINGS BEING OF EGG BOX TYPE CONSTRUCTION HAVING A PLURALITY OF SPACED SPARS INTERSECTING A PLURALITY OF SPACED RIBS TO FORM A MULTIPLICITY OF SUBSTANTIALLY RECTANGULAR CELL SPACES AMONGST SAID RIBS AND SPARS, SAID EGG BOX TYPE CONSTRUCTION GIVING THE WINGS THEIR STRENGTH WITHOUT RELIANCE UPON UPPER AND LOWER COVERING WING SKINS, AND WHEREIN MULTIPLE LIFT FANS ARE MOUNTED EACH IN A RESPECTIVE INDIVIDUAL CELL SPACE OF SAID INBOARD WING PORTIONS, EACH SAID FAN THEREBY HAVING ITS OWN CLEAR PATH FOR AIR FLOW SUBSTANTIALLY VERTICALLY THROUGH THE WINGS.
Claim 2
Dependent Claim
115 words
A VSTOL AIRCRAFT PROVIDED WITH WINGS HAVING A PLAN-FORM SELECTED FROM THE GROUP COMPRISING NARROW DELTA, COMPOUND DELTA AND OGEE, AT LEAST THE INBOARD PORTIONS OF SAID WINGS BEING OF EGG BOX TYPE CONSTRUCTION HAVING A PLURALITY OF SPACED SPARS INTERSECTING A PLURALITY OF SPACED RIBS TO FORM A MULTIPLICITY OF SUBSTANTIALLY RECTANGULAR CELL SPACES AMONGST SAID RIBS AND SPARS, SAID EGG BOX TYPE CONSTRUCTION GIVING THE WINGS THEIR STRENGTH WITHOUT RELIANCE UPON UPPER AND LOWER COVERING WING SKINS, AND WHEREIN MULTIPLE LIFT FANS ARE MOUNTED EACH IN A RESPECTIVE INDIVIDUAL CELL SPACE OF SAID INBOARD WING PORTIONS, EACH SAID FAN THEREBY HAVING ITS OWN CLEAR PATH FOR AIR FLOW SUBSTANTIALLY VERTICALLY THROUGH THE WINGS.
References Cited (Backward Citations)
US3056565A
Cited
US3067968A
Cited
US3056566A
Cited
US3030051A
Cited
US3227598A
Cited
US3224712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |