Patent US3198542A successfully refreshed from Google Patents.
US3198542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring suspension assembly with brake hop control
Assignee: Western Unit Corp
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Filing: 1963-06-28
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Granted: 1965-08-03
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Henry C Harbers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:14
CPC Classifications
B; B60; B60G; B60G15/00; B60G15/02; B60G15/06; B60G21/00; B60G21/02; B60G21/04; B60G21/045; B60G5/00; B60G5/04; B60G5/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A VEHICLE SPRING SUSPENSION ASSEMBLY HAVING EFFECTIVE PROVISION FOR COUNTERACTING TENDENCY OF THE CARRIAGE WHEELS TO HOP WHILE THE BRAKES ARE APPLIED, SAID ASSEMBLY COMPRISING AT LEAST ONE WHEELED CARRIAGE CONNECTED WITH A VEHICLE FRAME THROUGH SPRING MEANS, SAID WHEELS HAVING BRAKING MEANS THEREFOR, AND MEANS FOR RESISTING TENDENCY OF SAID WHEELS TO BOUNCE TOWARD AND AWAY FROM THE ROADWAY DURING APPLICATION OF SAID WHEEL BRAKING MEANS AND COMPRISING HYDRAULIC SHOCK ABSORBER MEANS OF VARIABLE LENGTH SUPPORTED LENGTHWISE OF THE VEHICLE FRAME AND HAVING AN ORIFICE SIZED TO PASS HYDRAULIC FLUID AT A RATE VARYING WITH A PRESSURE LOAD THEREON, SAID SHOCK ABSORBER MEANS HAVING ONE END RIGIDLY CONNECTED TO A STA-
Claim 2
Dependent Claim
112 words
A VEHICLE SPRING SUSPENSION ASSEMBLY HAVING EFFECTIVE PROVISION FOR COUNTERACTING TENDENCY OF THE CARRIAGE WHEELS TO HOP WHILE THE BRAKES ARE APPLIED, SAID ASSEMBLY COMPRISING AT LEAST ONE WHEELED CARRIAGE CONNECTED WITH A VEHICLE FRAME THROUGH SPRING MEANS, SAID WHEELS HAVING BRAKING MEANS THEREFOR, AND MEANS FOR RESISTING TENDENCY OF SAID WHEELS TO BOUNCE TOWARD AND AWAY FROM THE ROADWAY DURING APPLICATION OF SAID WHEEL BRAKING MEANS AND COMPRISING HYDRAULIC SHOCK ABSORBER MEANS OF VARIABLE LENGTH SUPPORTED LENGTHWISE OF THE VEHICLE FRAME AND HAVING AN ORIFICE SIZED TO PASS HYDRAULIC FLUID AT A RATE VARYING WITH A PRESSURE LOAD THEREON, SAID SHOCK ABSORBER MEANS HAVING ONE END RIGIDLY CONNECTED TO A STA-
References Cited (Backward Citations)
US2520778A
Cited
US3108822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |