US3081965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Channel winged aircraft
Assignee: Individual
•
Filing: 1961-02-13
•
Granted: 1963-03-19
•
Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Glenn B Shew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:30
CPC Classifications
B; B64; B64C; B64C39/00; B64C39/06; B64C39/066; B64C23/00; B64C23/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
AN AIRCRAFT, COMPRISING: A PAIR OF CHANNEL MEMBERS, EACH FORMING AN ARCUATE FORWARDLY, UPWARDLY AND REARWARDLY OPENING CHANNEL; STRUCTURAL MEANS FIXEDLY SUPPORTING SAID CHANNEL MEMBERS AND EXTENDING REARWARDLY THEREOF; A PROPELLER ROTATABLE IN EACH OF SAID CHANNELS, THE PERIPHERY OF THE DISC DEFINED BY EACH PROPELLER SUBSTANTIALLY COINCIDING WITH THE UPWARDLY-FACING SURFACE OF ITS RESPECTIVE CHANNEL AND AN AFT-LOCATED WING STRUCTURE
Claim 2
Dependent Claim
61 words
AN AIRCRAFT, COMPRISING: A PAIR OF CHANNEL MEMBERS, EACH FORMING AN ARCUATE FORWARDLY, UPWARDLY AND REARWARDLY OPENING CHANNEL; STRUCTURAL MEANS FIXEDLY SUPPORTING SAID CHANNEL MEMBERS AND EXTENDING REARWARDLY THEREOF; A PROPELLER ROTATABLE IN EACH OF SAID CHANNELS, THE PERIPHERY OF THE DISC DEFINED BY EACH PROPELLER SUBSTANTIALLY COINCIDING WITH THE UPWARDLY-FACING SURFACE OF ITS RESPECTIVE CHANNEL AND AN AFT-LOCATED WING STRUCTURE
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |