US3078085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle suspension
Assignee: Bridgestone Firestone Inc
•
Filing: 1957-02-11
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Granted: 1963-02-19
•
Expires: 1977-02-11
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Bank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:34
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/02; F16F9/04; F16F9/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
AN AIR SPRING SUSPENSION FOR A VEHICLE, COMPRISING A VEHICLE FRAME, A VEHICLE WHEEL, MEANS SUPPORTING SAID WHEEL WITH RESPECT TO SAID FRAME, AN AIR SPRING MOUNTED BETWEEN SAID FRAME AND SAID SUPPORT MEANS AND INCLUDING AN UPPER OPEN PORTION, MEANS SECURING SAID UPPER OPEN PORTION OF SAID AIR SPRING TO SAID FRAME, SAID AIR SPRING HAVING A RADIALLY OUTWARDLY UNRESTRICTED, FREELY RADIALLY OUTWARDLY BULGING, CONVEX CONVOLUTION TERMINATING IN AN ANNULAR BEAD ADAPTED TO TELESCOPE WITH RELATION TO SAID OPEN PORTION, AND A SINGLE SUPPORT MEMBER FOR SAID CONVOLUTION SECURING SAID BEAD TO SAID SUPPORT MEANS AND FORMING A RIGID PEDESTAL EXTENDING FROM SAID BEAD AND ADAPTED TO ENGAGE SAID CONVOLUTION PROGRESSIVELY DURING THE COMPRESSIVE STROKE OF SAID AIR SPRING, THE SURFACE OF SAID PEDESTAL CONVERGING RADIALLY INWARDLY FROM SAID BEAD TO A NECK PORTION HAVING A DIAMETER SMALLER THAN THAT OF SAID BEAD, TO DECREASE THE EFFECTIVE AREA OF SAID AIR SPRING DURING A PORTION OF SAID COMPRESSIVE STROKE, SAID SURFACE THEREAFTER FLARING OUTWARDLY FROM SAID NECK PORTION, TO INCREASE THE EFFECTIVE AREA OF SAID AIR SPRING.
Claim 2
Dependent Claim
178 words
AN AIR SPRING SUSPENSION FOR A VEHICLE, COMPRISING A VEHICLE FRAME, A VEHICLE WHEEL, MEANS SUPPORTING SAID WHEEL WITH RESPECT TO SAID FRAME, AN AIR SPRING MOUNTED BETWEEN SAID FRAME AND SAID SUPPORT MEANS AND INCLUDING AN UPPER OPEN PORTION, MEANS SECURING SAID UPPER OPEN PORTION OF SAID AIR SPRING TO SAID FRAME, SAID AIR SPRING HAVING A RADIALLY OUTWARDLY UNRESTRICTED, FREELY RADIALLY OUTWARDLY BULGING, CONVEX CONVOLUTION TERMINATING IN AN ANNULAR BEAD ADAPTED TO TELESCOPE WITH RELATION TO SAID OPEN PORTION, AND A SINGLE SUPPORT MEMBER FOR SAID CONVOLUTION SECURING SAID BEAD TO SAID SUPPORT MEANS AND FORMING A RIGID PEDESTAL EXTENDING FROM SAID BEAD AND ADAPTED TO ENGAGE SAID CONVOLUTION PROGRESSIVELY DURING THE COMPRESSIVE STROKE OF SAID AIR SPRING, THE SURFACE OF SAID PEDESTAL CONVERGING RADIALLY INWARDLY FROM SAID BEAD TO A NECK PORTION HAVING A DIAMETER SMALLER THAN THAT OF SAID BEAD, TO DECREASE THE EFFECTIVE AREA OF SAID AIR SPRING DURING A PORTION OF SAID COMPRESSIVE STROKE, SAID SURFACE THEREAFTER FLARING OUTWARDLY FROM SAID NECK PORTION, TO INCREASE THE EFFECTIVE AREA OF SAID AIR SPRING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |