US3178200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsion bar wheel suspension
Assignee: Old Carco LLC
•
Filing: 1961-03-27
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Granted: 1965-04-13
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Expires: 1981-03-27
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Backaitis
- 👤 John E Collier
- 👤 Vincent J Ryszewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:29
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/08; B; B60; B60G; B60G17/00; B60G17/02; B60G17/025; F16C2326/00; F16C2326/01; F16C2326/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A VEHICLE, A WHEEL SUPPORTING FRAME, AN UPRIGHT WHEEL CARRYING MEMBER, MEANS CONNECTING SAID WHEEL CARRYING MEMBER TO SAID SUPPORTING FRAME FOR RISING AND FALLING MOVEMENT RELATIVE THERETO INCLUDING A CONTROL ARM EXTENDING TRANSVERSELY OF SAID FRAME AND CONNECTED THERETO FOR SWINGING MOVEMENT ABOUT A PIVOT SHAFT EXTENDING LONGITUDINALLY OF SAID FRAME, THE PIVOT CONNECTION BETWEEN SAID ARM AND SAID SUPPORTING FRAME INCLUDING A CONCENTRICALLY ARRANGED SLEEVE CARRIED BY AND ROTATABLY RELATIVE TO SAID ARM AND JOURNALLED ON SAID PIVOT SHAFT, A TORSION BAR SPRING HAVING ONE END PORTION NONROTATABLY CONNECTED TO SAID SLEEVE AND THE OTHER END PORTION FIXEDLY ANCHORED TO SAID SUPPORTING FRAME, AND MEANS TO TORSIONALLY STRESS SAID TORSION BAR SPRING COMPRISING CRANK MEANS FIXEDLY CONNECTED TO SAID SLEEVE AND ANCHORED TO SAID CONTROL ARM BY ADJUSTABLE MEANS PROVIDING FOR PRE-STRESSING OF SAID TORSION BAR SPRING, SAID CONTROL ARM COMPRISING AN ELONGATED STAMPING HAVING MEANS AT ONE END
Claim 2
Dependent Claim
152 words
IN A VEHICLE, A WHEEL SUPPORTING FRAME, AN UPRIGHT WHEEL CARRYING MEMBER, MEANS CONNECTING SAID WHEEL CARRYING MEMBER TO SAID SUPPORTING FRAME FOR RISING AND FALLING MOVEMENT RELATIVE THERETO INCLUDING A CONTROL ARM EXTENDING TRANSVERSELY OF SAID FRAME AND CONNECTED THERETO FOR SWINGING MOVEMENT ABOUT A PIVOT SHAFT EXTENDING LONGITUDINALLY OF SAID FRAME, THE PIVOT CONNECTION BETWEEN SAID ARM AND SAID SUPPORTING FRAME INCLUDING A CONCENTRICALLY ARRANGED SLEEVE CARRIED BY AND ROTATABLY RELATIVE TO SAID ARM AND JOURNALLED ON SAID PIVOT SHAFT, A TORSION BAR SPRING HAVING ONE END PORTION NONROTATABLY CONNECTED TO SAID SLEEVE AND THE OTHER END PORTION FIXEDLY ANCHORED TO SAID SUPPORTING FRAME, AND MEANS TO TORSIONALLY STRESS SAID TORSION BAR SPRING COMPRISING CRANK MEANS FIXEDLY CONNECTED TO SAID SLEEVE AND ANCHORED TO SAID CONTROL ARM BY ADJUSTABLE MEANS PROVIDING FOR PRE-STRESSING OF SAID TORSION BAR SPRING, SAID CONTROL ARM COMPRISING AN ELONGATED STAMPING HAVING MEANS AT ONE END
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |