Patent US3087692A successfully refreshed from Google Patents.
US3087692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable-span aircraft
Assignee: Individual
•
Filing: 1961-01-25
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Granted: 1963-04-30
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Expires: 1981-01-25
Abstract
No abstract record available.
Inventors
- 👤 John G Lowry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:55
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/38; B64C3/40; Y; Y02; Y02T; Y02T50/00; Y02T50/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
IN COMBINATION WITH AN AIRCRAFT, A WING ARRANGEMENT COMPRISING A FORWARD DELTA MAIN WING SECTION, INBOARD WING PANELS CONNECTED TO SAID MAIN WING SECTION IN FIXED RELATIONSHIP THERETO, SAID INBOARD WING PANELS BEING OF SUBSTANTIALLY SMALLER SURFACE AREA THAN SAID MAIN WING SECTION, AND REARWARDLY DISPOSED OUTBOARD
Claim 2
Dependent Claim
47 words
IN COMBINATION WITH AN AIRCRAFT, A WING ARRANGEMENT COMPRISING A FORWARD DELTA MAIN WING SECTION, INBOARD WING PANELS CONNECTED TO SAID MAIN WING SECTION IN FIXED RELATIONSHIP THERETO, SAID INBOARD WING PANELS BEING OF SUBSTANTIALLY SMALLER SURFACE AREA THAN SAID MAIN WING SECTION, AND REARWARDLY DISPOSED OUTBOARD
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |