US3226056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple span aircraft
Assignee: Individual
•
Filing: 1950-07-12
•
Granted: 1965-12-28
•
Expires: 1970-07-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Raymond P Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:44
CPC Classifications
B; B64; B64C; B64C37/00; B64C37/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A MULTIPLE AIRCRAFT COMPRISING A PLURALITY OF INDIVIDUAL AIRCRAFT, EACH CAPABLE OF INDEPENDENT FLIGHT, A RETRACTABLE TRACTION MEMBER IN THE WING TIP OF ONE AIRCRAFT AND CONNECTING MEANS IN THE WING TIP OF ANOTHER AIRCRAFT, SAID TRACTION MEMBER AND CONNECTING MEANS COOPERATING TOGETHER TO DRAW THE AIRCRAFT TOGETHER IN A WING TIP TO WING TIP RELATION WHEREBY THE INDUCED DRAG OF EACH OF THE INDIVIDUAL AIRCRAFT IS REDUCED.
Claim 2
Dependent Claim
68 words
A MULTIPLE AIRCRAFT COMPRISING A PLURALITY OF INDIVIDUAL AIRCRAFT, EACH CAPABLE OF INDEPENDENT FLIGHT, A RETRACTABLE TRACTION MEMBER IN THE WING TIP OF ONE AIRCRAFT AND CONNECTING MEANS IN THE WING TIP OF ANOTHER AIRCRAFT, SAID TRACTION MEMBER AND CONNECTING MEANS COOPERATING TOGETHER TO DRAW THE AIRCRAFT TOGETHER IN A WING TIP TO WING TIP RELATION WHEREBY THE INDUCED DRAG OF EACH OF THE INDIVIDUAL AIRCRAFT IS REDUCED.
References Cited (Backward Citations)
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US1818138A
Cited
US2193312A
Cited
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Cited
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Cited
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Cited
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Cited
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Cited
US2480145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |