US3331570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft
Assignee: BAC AND BRITISH AEROSPACE
•
Filing: 1965-06-29
•
Granted: 1967-07-18
•
Expires: 1985-06-29
Abstract
No abstract record available.
Inventors
- 👤 Kinnerley Anthony George
- 👤 Broadhurst Albert Jeffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:37
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
243 words
AN AIRCRAFT HAVING A WINDSCREEN WHICH IS RIGIDLY MOUNTED IN THE AIRCRAFT TO LIE INCLINED TO THE GENERAL CONTOUR OF THE AIRCRAFT, A PANEL WHICH HAS A TRANSPARENT PORTION, LIES GENERALLY AHEAD OF THE WINDSCREEN, AND IS MOUNTED ON THE AIRCRAFT BY A MEANS WHICH PERMITS THE PANEL TO BE MOVED BETWEEN A FIRST POSITION WHICH IT OCCUPIES IN A FIRST FLIGHT CONDITION AND WHEREIN IT CONCEALS THE WINDSCREEN AND LIES SMOOTHLY CONTINUOUS WITH THE GENERAL CONTOUR OF THE AIRCRAFT, AND A SECOND POSITION WHICH IT OCCUPIES IN A SECOND FLIGHT CONDITION AND WHEREIN THE WINDSCREEN IS EXPOSED SO THAT A PILOT IN THE AIRCRAFT CAN SEE AHEAD DIRECTLY THROUGH THE WINDSCREEN, THE AIRCRAFT FURTHER HAVING FIRST AND SECOND MIRRORS MOUNTED ON THE PANEL TO LIE BETWEEN THE PANEL AND THE WINDSCREEN IN THE SAID FIRST POSITION, THE ARRANGEMENT BEING SUCH THAT WHEN THE PANEL IS IN ITS FIRST POSITION, THE TRANSPARENT PORTION LIES GENERALLY HIGHER THAN THE DIRECT LINE OF VISION OF THE PILOT THROUGH THE WINDSCREEN AND THE FIRST MIRROR LIES DIRECTLY REARWARDS OF THE SAID TRANSPARENT PORTION, AND IS INCLINED TO REFLECT LIGHT PASSING A REARWARD DIRECTION THROUGH THE TRANSPARENT PORTION IN A FORWARDLY DOWNWARDLY DIRECTION ON TO THE REFLECTING SURFACE OF THE SECOND MIRROR, WHICH SECOND MIRROR LIES DIRECTLY IN LINE WITH THE DIRECT LINE OF VISION OF THE PILOT THROUGH THE WINDSCREEN AND IS INCLINED TO REFLECT THE LIGHT ROSS THE FIRST MIRROR DIRECTLY REARWARDS THROUGH THE WINDSCREEN.
Claim 2
Dependent Claim
243 words
AN AIRCRAFT HAVING A WINDSCREEN WHICH IS RIGIDLY MOUNTED IN THE AIRCRAFT TO LIE INCLINED TO THE GENERAL CONTOUR OF THE AIRCRAFT, A PANEL WHICH HAS A TRANSPARENT PORTION, LIES GENERALLY AHEAD OF THE WINDSCREEN, AND IS MOUNTED ON THE AIRCRAFT BY A MEANS WHICH PERMITS THE PANEL TO BE MOVED BETWEEN A FIRST POSITION WHICH IT OCCUPIES IN A FIRST FLIGHT CONDITION AND WHEREIN IT CONCEALS THE WINDSCREEN AND LIES SMOOTHLY CONTINUOUS WITH THE GENERAL CONTOUR OF THE AIRCRAFT, AND A SECOND POSITION WHICH IT OCCUPIES IN A SECOND FLIGHT CONDITION AND WHEREIN THE WINDSCREEN IS EXPOSED SO THAT A PILOT IN THE AIRCRAFT CAN SEE AHEAD DIRECTLY THROUGH THE WINDSCREEN, THE AIRCRAFT FURTHER HAVING FIRST AND SECOND MIRRORS MOUNTED ON THE PANEL TO LIE BETWEEN THE PANEL AND THE WINDSCREEN IN THE SAID FIRST POSITION, THE ARRANGEMENT BEING SUCH THAT WHEN THE PANEL IS IN ITS FIRST POSITION, THE TRANSPARENT PORTION LIES GENERALLY HIGHER THAN THE DIRECT LINE OF VISION OF THE PILOT THROUGH THE WINDSCREEN AND THE FIRST MIRROR LIES DIRECTLY REARWARDS OF THE SAID TRANSPARENT PORTION, AND IS INCLINED TO REFLECT LIGHT PASSING A REARWARD DIRECTION THROUGH THE TRANSPARENT PORTION IN A FORWARDLY DOWNWARDLY DIRECTION ON TO THE REFLECTING SURFACE OF THE SECOND MIRROR, WHICH SECOND MIRROR LIES DIRECTLY IN LINE WITH THE DIRECT LINE OF VISION OF THE PILOT THROUGH THE WINDSCREEN AND IS INCLINED TO REFLECT THE LIGHT ROSS THE FIRST MIRROR DIRECTLY REARWARDS THROUGH THE WINDSCREEN.
References Cited (Backward Citations)
US2155164A
Cited
US2674921A
Cited
US2778586A
Cited
GB815134A
Cited
US3114526A
Cited
US3261575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |