US3606437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truck tractor cab suspension system
Assignee: AO Smith Corp
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Filing: 1969-08-21
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Granted: 1971-09-20
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Expires: 1989-08-21
Abstract
Abstract A SUSPENSION SYSTEM FOR TRUCK TRACTOR CABS INCLUDES LOW RATE CUSHION DEVICES AS FRONT CAB-TO-CHASSIS MOUNTS AND RELATIVELY RIGID CAB-TO-CHASSIS MOUNTS PLACED NEAR THE PITCH NODAL AXIS OF THE TRACTOR CHASSIS, AT THE REAR OF THE CAB, THUS SUBSTANTIALLY ISOLATING THE CAB FROM THE PITCH OF THE TRACTOR CHASSIS.
Inventors
- 👤 William G Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:04
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/06; B62D33/0604; B62D33/0608; B62D49/00; B62D49/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |