US3142457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stall pattern lift regulator for airplanes
Assignee: Boeing Co
•
Filing: 1962-07-16
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Granted: 1964-07-28
•
Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 Henry H W Quenzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:00
CPC Classifications
B; B64; B64C; B64C21/00; B64C21/02; B64C21/04; B64C21/06; B64C2230/00; B64C2230/04; B64C2230/06; B64C2230/16; Y; Y02; Y02T; Y02T50/00; Y02T50/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN AN AIRPLANE, A SUSTAINING SWEPT-BACK WING WHEREIN THE WING ROOT PANELS ARE DISPOSED LARGELY AHEAD OF THE AIRPLANE''S CG, AND THE WING TIP PANELS ARE DISPOSED LARGELY BEHIND THE SAME, MEANS OPERABLE DURING NORMAL FLIGHT TO EFFECT MOVEMENT OF BLC AIR OVER THE WING IN A MANNER TO PRODUCE LIFT GENERALLY BALANCED AS BETWEEN THE WING ROOT PANELS AND THE WING TIP PANELS, WITH THE AIRPLANE''S CENTER OF LIFT IN THE VICINITY OF ITS CG, AND MEANS OPERABLE,
Claim 2
Dependent Claim
79 words
IN AN AIRPLANE, A SUSTAINING SWEPT-BACK WING WHEREIN THE WING ROOT PANELS ARE DISPOSED LARGELY AHEAD OF THE AIRPLANE''S CG, AND THE WING TIP PANELS ARE DISPOSED LARGELY BEHIND THE SAME, MEANS OPERABLE DURING NORMAL FLIGHT TO EFFECT MOVEMENT OF BLC AIR OVER THE WING IN A MANNER TO PRODUCE LIFT GENERALLY BALANCED AS BETWEEN THE WING ROOT PANELS AND THE WING TIP PANELS, WITH THE AIRPLANE''S CENTER OF LIFT IN THE VICINITY OF ITS CG, AND MEANS OPERABLE,
References Cited (Backward Citations)
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Cited
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US2176817A
Cited
US2298040A
Cited
US2709052A
Cited
US2886264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |