US3245487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air bearing support with automatic air flow regulation
Assignee: Motors Liquidation Co
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Filing: 1963-11-21
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Granted: 1966-04-12
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Expires: 1983-11-21
Abstract
No abstract record available.
Inventors
- 👤 Harry A Mackie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:40
CPC Classifications
B; B60; B60V; B60V3/00; B60V3/02; B60V3/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A GROUND PROXIMATE AIR BEARING DEVICE INCLUDING A LOAD SUPPORTING SURFACE HAVING FLEXIBLE MEANS DISPOSED THEREUNDER FORMING A DEPENDING INFLATABLE ANNULAR CHAMBER SURROUNDING AND COMMUNICATING WITH A GROUND PROXIMATE PLENUM CAVITY, CONDUIT MEANS FOR CONDUCTING AIR INTO SAID CHAMBER, VARIABLE FLOW CONTROL MEANS IN SAID CONDUIT, AND FLUID PRESSURE SENSITIVE FLOW CONTROL OPERATING MEANS DISPOSED WITHIN SAID CHAMBER OPERATIVE RESPONSIVE TO VARIATION IN DISPLACEMENT OF SAID SUPPORTING SURFACE RELATIVE TO THE GROUND, SAID LAST MENTIONED MEANS COMPRISING A CLOSED PRESSURIZED DEFORMABLE HOLLOW BODY OF NORMALLY CIRCULAR CROSS SECTION.
Claim 2
Dependent Claim
89 words
IN A GROUND PROXIMATE AIR BEARING DEVICE INCLUDING A LOAD SUPPORTING SURFACE HAVING FLEXIBLE MEANS DISPOSED THEREUNDER FORMING A DEPENDING INFLATABLE ANNULAR CHAMBER SURROUNDING AND COMMUNICATING WITH A GROUND PROXIMATE PLENUM CAVITY, CONDUIT MEANS FOR CONDUCTING AIR INTO SAID CHAMBER, VARIABLE FLOW CONTROL MEANS IN SAID CONDUIT, AND FLUID PRESSURE SENSITIVE FLOW CONTROL OPERATING MEANS DISPOSED WITHIN SAID CHAMBER OPERATIVE RESPONSIVE TO VARIATION IN DISPLACEMENT OF SAID SUPPORTING SURFACE RELATIVE TO THE GROUND, SAID LAST MENTIONED MEANS COMPRISING A CLOSED PRESSURIZED DEFORMABLE HOLLOW BODY OF NORMALLY CIRCULAR CROSS SECTION.
References Cited (Backward Citations)
FR1278912A
Cited
US3081886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |