Patent US3150855A successfully refreshed from Google Patents.
US3150855A
Expired / Lapsed
US
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Resilient suspension for vehicle seat
Assignee: Caterpillar Inc
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Filing: 1962-01-17
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Granted: 1964-09-29
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Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 John W Carter
- 👤 Normand R Rollins
- 👤 Richard E Guhl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:37
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; B60N2/505; B60N2/506; B60N2/507; B60N2/52; B60N2/525; B60N2/54; B60N2/544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A VEHICLE SEAT SUSPENSION SYSTEM THE COMBINATION COMPRISING; MEANS FOR RESILIENTLY SUPPORTING A VEHICLE SEAT ON A VEHICLE FRAME; A COMPRESSIBLE AIR CHAMBER HAVING A FIXED MEMBER AND A MOVABLE MEMBER, SAID MOVABLE MEMBER BEING RESPONSIVE TO DOWNWARD MOVEMENT OF SAID VEHICLE SEAT BY THE COMPRESSION OF AIR IN SAID AIR CHAMBER; AND A LEVELING VALVE COMMUNICATING WITH SAID AIR CHAMBER, A SUPPLY OF AIR UNDER PRESSURE AND THE ATMOSPHERE; SAID LEVELING VALVE BEING RESPONSIVE TO DOWNWARD MOTION OF SAID SEAT FROM A PREDETERMINED POSITION BY COMMUNICATING SAID AIR SUPPLY WITH SAID AIR CHAMBER AND BEING RESPONSIVE TO UPWARD MOTION OF SAID SEAT FROM A PREDETERMINED POSITION BY COMMUNICATING SAID AIR CHAMBER WITH THE ATMOSPHERE.
Claim 2
Dependent Claim
116 words
IN A VEHICLE SEAT SUSPENSION SYSTEM THE COMBINATION COMPRISING; MEANS FOR RESILIENTLY SUPPORTING A VEHICLE SEAT ON A VEHICLE FRAME; A COMPRESSIBLE AIR CHAMBER HAVING A FIXED MEMBER AND A MOVABLE MEMBER, SAID MOVABLE MEMBER BEING RESPONSIVE TO DOWNWARD MOVEMENT OF SAID VEHICLE SEAT BY THE COMPRESSION OF AIR IN SAID AIR CHAMBER; AND A LEVELING VALVE COMMUNICATING WITH SAID AIR CHAMBER, A SUPPLY OF AIR UNDER PRESSURE AND THE ATMOSPHERE; SAID LEVELING VALVE BEING RESPONSIVE TO DOWNWARD MOTION OF SAID SEAT FROM A PREDETERMINED POSITION BY COMMUNICATING SAID AIR SUPPLY WITH SAID AIR CHAMBER AND BEING RESPONSIVE TO UPWARD MOTION OF SAID SEAT FROM A PREDETERMINED POSITION BY COMMUNICATING SAID AIR CHAMBER WITH THE ATMOSPHERE.
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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |