Patent US3261572A successfully refreshed from Google Patents.
US3261572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triphibious vehicle
Assignee: Individual
•
Filing: 1964-05-14
•
Granted: 1966-07-19
•
Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Carl E Gorton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:36
CPC Classifications
B; B64; B64C; B64C37/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
AN IMPROVED TRIPHIBIOUS VEHICLE COMPRISING: (A) A FUSELAGE, (B) AT LEAST TWO COAXIAL ROTORS OPERATIVELY SECURED TO THE FUSELAGE; (C) A REAR MOUNTED PROPELLER OPERATIVELY SECURED TO THE FULSEALGE, AND (D) POWER MEANS POWERING THE ROTORS AND THE PROPELLER; (E) FIRST POWER TRANSMISSION CONNECTED TO THE POWER MEANS AND THE ROTORS, AND SECOND POWER TRANSMISSION MEANS CONNECTED TO THE PROPELLER AND THE POWER MEANS, (F) CONTROL MEANS CONNECTED TO THE POWER MEANS, THE ROTOR, AND THE PROPELLER, THE CONTROL MEANS INCLUDING A COLLECTIVE PITCH CONTROL AND (G) BRAKING MEANS TO ARREST ROTATION OF THE SAID ROTORWINGS DURING FLIGHT IN A DETENT POSITION AND RETAINING THEM IN THE SAID POSITION, THE ROTOR-WINGS THEN FUNCTIONING AS FIXED WINGS WITH THE SAID REAR MOUNTED PROPELLER PROVIDING THRUST.
References Cited (Backward Citations)
US2201249A
Cited
US2396419A
Cited
US2427936A
Cited
US2424769A
Cited
US2563731A
Cited
US2619301A
Cited
FR1265234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |