Patent US3285542A successfully refreshed from Google Patents.
US3285542A
Expired / Lapsed
US
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Pitch-stabilized, varying-sweep wing
Assignee: Boeing Co
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Filing: 1965-01-15
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Granted: 1966-11-15
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Expires: 1985-01-15
Abstract
No abstract record available.
Inventors
- 👤 Wayne N Holmquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:40
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/58; B64C17/00; B64C23/00; B64C23/06; B64C3/38; B64C3/40; Y; Y02; Y02T; Y02T50/00; Y02T50/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
IN AN AIRPLANE, A PLANFORM-CRANKED WING INCLUDING AN INBOARD PANEL HAVING A RELATIVELY HIGH-SWEEP LEADING EDGE AND AN OUTBOARD PANEL HAVING A RELATIVELY LOW-SWEEP LEADING EDGE, THE LEADING EDGE OF SAID INBOARD PANEL BEING BLUNT AND ROUNDED, AND A FENCE AT THE TRANSITION BREAK BETWEEN THE HIGH-SWEEP LEADING EDGE OF SAID INBOARD PANEL AND THE LOW-SWEEP LEADING EDGE OF SAID OUTBOARD PANEL.
References Cited (Backward Citations)
USRE25418E
Cited
US3064928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |