Patent US2188248A successfully refreshed from Google Patents.
Patent US3165331A successfully refreshed from Google Patents.
US3165331A
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Wheel suspension system
Assignee: LOGAN MANUFACTURING COMPANY A CORP OF
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Filing: 1961-09-25
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Granted: 1965-01-12
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Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 James A Hardman
- 👤 Ross W Eskelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:58
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/02; B60G21/04; B60G21/045; B62; B62D; B62D55/00; B62D55/08; B62D55/104; B62D55/108
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A WHEEL SUSPENSION SYSTEM INCLUDING IN COMBINATION A FRAME; TWO LONGITUDINALLY SPACED WHEELS; RESPECTIVE SUPPORTING ARMS FOR SAID WHEELS; RESPECTIVE AXLE MEANS JOURNALLING SAID WHEELS AND CARRIED BY SAID SUPPORTING ARMS; RESPECTIVE PIVOT MEANS ROTATABLY MOUNTING SAID SUPPORTING ARMS ON THE FRAME AT POSITIONS SPACED FROM AND DISPOSED OUTWARDLY WITH RESPECT TO SAID AXLE MEANS; LINKAGE ARMS SECURED TO SAID SUPPORTING ARMS, RESPECTIVELY, IN FIXED RELATION THERETO, ONE OF SAID LINKAGE ARMS BEING DISPOSED AT AN ANGLE OF LESS THAN 90* WITH RESPECT TO ITS SUPPORTING ARM; AND MEANS INTERCONNECTING SAID LINKAGE ARMS, SO THAT UPWARD MOVEMENT OF ONE SUPPORTING ARM WILL EFFECT DOWNWARD MOVEMENT OF THE OTHER SUPPORTING ARM, AND VICE VERSA, SAID INTERCONNECTING
References Cited (Backward Citations)
US2013994A
Cited
US1928545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |