US3246711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible air bearing support
Assignee: Motors Liquidation Co
•
Filing: 1964-01-27
•
Granted: 1966-04-19
•
Expires: 1984-01-27
Abstract
No abstract record available.
Inventors
- 👤 David R Snoeyenbos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:56
CPC Classifications
B; B60; B60V; B60V3/00; B60V3/02; B60V3/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A REVERSIBLE AIR BEARING DEVICE COMPRISING, A RIGID ANNULUS AND A FLEXIBLE ANNULUS HAVING THEIR RESPECTIVE CIRCUMFERENTIAL BOUNDARIES SECURED TOGETHER TO FORM AN INFLATABLE ANNULAR CHAMBER OF VARIABLE CROSS SECTIONAL SHAPE, AIR FLOW GENERATING MEANS MOUNTED ON SAID RIGID ANNULUS OVER THE CENTRAL OPENING FORMED BY THE INNER BOUNDARY OF SAID ANNULI SELECTIVELY OPERABLE TO INDUCE FLOW OF AIR FROM THE RIGID ANNULUS SIDE TO THE FLEXIBLE ANNULUS SIDE AND VICE VERSA, AND APERTURE MEANS IN SAID FLEXIBLE ANNULUS LOCATED A DISTANCE RADIALLY FROM THE GEOMETRIC CENTER THEREOF WHICH IS INBOARD OF THE LOWERMOST EXTREMITY OF SAID FLEXIBLE ANNULUS DURING FLOW OF AIR FROM THE RIGID ANNULUS SIDE TO THE FLEXIBLE ANNULUS SIDE AND OUTBOARD OF SAID LOWERMOST EXTREMITY DURING FLOW OF AIR FROM SAID FLEXIBLE ANNULUS SIDE TO SAID RIGID ANNULUS SIDE.
Claim 2
Dependent Claim
133 words
A REVERSIBLE AIR BEARING DEVICE COMPRISING, A RIGID ANNULUS AND A FLEXIBLE ANNULUS HAVING THEIR RESPECTIVE CIRCUMFERENTIAL BOUNDARIES SECURED TOGETHER TO FORM AN INFLATABLE ANNULAR CHAMBER OF VARIABLE CROSS SECTIONAL SHAPE, AIR FLOW GENERATING MEANS MOUNTED ON SAID RIGID ANNULUS OVER THE CENTRAL OPENING FORMED BY THE INNER BOUNDARY OF SAID ANNULI SELECTIVELY OPERABLE TO INDUCE FLOW OF AIR FROM THE RIGID ANNULUS SIDE TO THE FLEXIBLE ANNULUS SIDE AND VICE VERSA, AND APERTURE MEANS IN SAID FLEXIBLE ANNULUS LOCATED A DISTANCE RADIALLY FROM THE GEOMETRIC CENTER THEREOF WHICH IS INBOARD OF THE LOWERMOST EXTREMITY OF SAID FLEXIBLE ANNULUS DURING FLOW OF AIR FROM THE RIGID ANNULUS SIDE TO THE FLEXIBLE ANNULUS SIDE AND OUTBOARD OF SAID LOWERMOST EXTREMITY DURING FLOW OF AIR FROM SAID FLEXIBLE ANNULUS SIDE TO SAID RIGID ANNULUS SIDE.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |