US3083026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydro-pneumatic vehicle suspension system
Assignee: Gabriel Co
•
Filing: 1959-11-04
•
Granted: 1963-03-26
•
Expires: 1979-11-04
Abstract
No abstract record available.
Inventors
- 👤 Robert J Broadwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:44
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/044; B60G13/00; B60G13/14; B60G15/00; B60G15/08; B60G15/12; Y; Y10; Y10S; Y10S267/00; Y10S267/02; Y10S280/00; Y10S280/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A VEHICLE, THE COMBINATION COMPRISING A SPRUNG MASS INCLUDING A FRAME AND AN UNSPRUNG MASS INCLUDING A GROUND ENGAGING WHEEL, A HIGH PRESSURE RESERVOIR ON THE VEHICLE, SAID RESERVOIR COMPRISING A PRESSURE CONTAINER, A RIGID TUBULAR MEMBER WITHIN SAID CONTAINER DIVIDING THE SAME INTO AN OUTER HIGH PRESSURE COMPARTMENT AND AN INNER LOW PRESSURE COMPARTMENT, AN OUTER SLEEVE OF FLEXIBLE MATERIAL BETWEEN SAID CONTAINER AND SAID TUBULAR MEMBER DIVIDING THE HIGH PRESSURE COMPARTMENT INTO A HIGH PRESSURE GAS CHAMBER AND A HIGH PRESSURE HYDRAULIC CHAMBER, AND AN INNER SLEEVE OF FLEXIBLE MATERIAL DIVIDING SAID LOW PRESSURE COMPARTMENT INTO A LOW PRESSURE GAS CHAMBER AND A LOW PRESSURE HYDRAULIC
Claim 2
Dependent Claim
109 words
IN A VEHICLE, THE COMBINATION COMPRISING A SPRUNG MASS INCLUDING A FRAME AND AN UNSPRUNG MASS INCLUDING A GROUND ENGAGING WHEEL, A HIGH PRESSURE RESERVOIR ON THE VEHICLE, SAID RESERVOIR COMPRISING A PRESSURE CONTAINER, A RIGID TUBULAR MEMBER WITHIN SAID CONTAINER DIVIDING THE SAME INTO AN OUTER HIGH PRESSURE COMPARTMENT AND AN INNER LOW PRESSURE COMPARTMENT, AN OUTER SLEEVE OF FLEXIBLE MATERIAL BETWEEN SAID CONTAINER AND SAID TUBULAR MEMBER DIVIDING THE HIGH PRESSURE COMPARTMENT INTO A HIGH PRESSURE GAS CHAMBER AND A HIGH PRESSURE HYDRAULIC CHAMBER, AND AN INNER SLEEVE OF FLEXIBLE MATERIAL DIVIDING SAID LOW PRESSURE COMPARTMENT INTO A LOW PRESSURE GAS CHAMBER AND A LOW PRESSURE HYDRAULIC
References Cited (Backward Citations)
US2630834A
Cited
US2670759A
Cited
US2781778A
Cited
US2757376A
Cited
US2786488A
Cited
US2802664A
Cited
US2825579A
Cited
US2937034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |