Patent US3173510A successfully refreshed from Google Patents.
US3173510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guidance system for air cushioned vehicle
Assignee: Individual
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Filing: 1961-05-01
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Granted: 1965-03-16
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Alfred A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:46
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/11; B60V1/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A VEHICLE OF THE TYPE WHICH UTILIZES A COLUMN OF AIR MAINTAINED BETWEEN THE VEHICLE AND THE SURFACE TO SUSPEND THE VEHICLE FREE AND CLEAR OF SAID SURFACE COMPRISING A BODY, MEANS FOR SUSPENDING SAID BODY ABOVE SAID SURFACE ON SAID COLUMN OF AIR, MEANS FOR DRIVING AND STEERING SAID VEHICLE INCLUDING AT LEAST ONE WHEEL UNIT CONNECTED TO SAID BODY AND RETRACTABLE THEREIN WHEN SAID BODY IS RESTING ON THE GROUND AND ENGAGING THE GROUND WHEN SAID BODY IS SUSPENDED THEREABOVE, FIRST GEAR MEANS FOR TURNING SAID WHEEL, SECOND GEAR MEANS FOR DRIVING SAID WHEEL, SAID FIRST AND SECOND GEAR MEANS BEING OPERABLE SIMULTANEOUSLY, POWER MEANS FOR DRIVING SAID SECOND GEAR MEANS, AND SAID FIRST GEAR MEANS BEING CONNECTED TO A STEERING WHEEL FOR STEERING SAID VEHICLE.
Claim 2
Dependent Claim
128 words
A VEHICLE OF THE TYPE WHICH UTILIZES A COLUMN OF AIR MAINTAINED BETWEEN THE VEHICLE AND THE SURFACE TO SUSPEND THE VEHICLE FREE AND CLEAR OF SAID SURFACE COMPRISING A BODY, MEANS FOR SUSPENDING SAID BODY ABOVE SAID SURFACE ON SAID COLUMN OF AIR, MEANS FOR DRIVING AND STEERING SAID VEHICLE INCLUDING AT LEAST ONE WHEEL UNIT CONNECTED TO SAID BODY AND RETRACTABLE THEREIN WHEN SAID BODY IS RESTING ON THE GROUND AND ENGAGING THE GROUND WHEN SAID BODY IS SUSPENDED THEREABOVE, FIRST GEAR MEANS FOR TURNING SAID WHEEL, SECOND GEAR MEANS FOR DRIVING SAID WHEEL, SAID FIRST AND SECOND GEAR MEANS BEING OPERABLE SIMULTANEOUSLY, POWER MEANS FOR DRIVING SAID SECOND GEAR MEANS, AND SAID FIRST GEAR MEANS BEING CONNECTED TO A STEERING WHEEL FOR STEERING SAID VEHICLE.
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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |