US3268023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable traction self-propelled air bearing supported load transport device
Assignee: Motors Liquidation Co
•
Filing: 1964-09-10
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Granted: 1966-08-23
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Expires: 1984-09-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Nicholas J Di Napoli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:48
CPC Classifications
B; B60; B60V; B60V3/00; B60V3/02; B60V3/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
IN COMBINATION A SUPERATMOSPHERIC PRESSURE ENERGIZED LOAD SUPPORTING STRUCTURE, A TRACTION WHEEL CONNECTED TO SAID LOAD STRUCTURE FOR FREE VERTICAL MOVEMENT RELATIVE THERETO, A SUBATMOSPHERIC PRESSURE ENERGIZED GROUND PROXIMATE ATTRACTION DEVICE MOUNTED IN FIXED VERTICAL RELATION TO SAID TRACTION WHEEL, AIR FLOW GENERATING MEANS ON ONE OF SAID STREUCTURES, AND MEANS CONNECTING SAID SUBATMOSPHERIC PRESSURE ENERGIZED ATTRACTION DEVICE
Claim 2
Dependent Claim
58 words
IN COMBINATION A SUPERATMOSPHERIC PRESSURE ENERGIZED LOAD SUPPORTING STRUCTURE, A TRACTION WHEEL CONNECTED TO SAID LOAD STRUCTURE FOR FREE VERTICAL MOVEMENT RELATIVE THERETO, A SUBATMOSPHERIC PRESSURE ENERGIZED GROUND PROXIMATE ATTRACTION DEVICE MOUNTED IN FIXED VERTICAL RELATION TO SAID TRACTION WHEEL, AIR FLOW GENERATING MEANS ON ONE OF SAID STREUCTURES, AND MEANS CONNECTING SAID SUBATMOSPHERIC PRESSURE ENERGIZED ATTRACTION DEVICE
References Cited (Backward Citations)
US3209849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |