Patent US3261622A successfully refreshed from Google Patents.
US3261622A
Expired / Lapsed
US
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Tandem axle suspension
Assignee: Hutchens & Son Metal Products Inc
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Filing: 1963-10-08
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Granted: 1966-07-19
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Expires: 1983-10-08
Abstract
No abstract record available.
Inventors
- 👤 Charles T Hutchens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:00
CPC Classifications
B; B60; B60G; B60G5/00; B60G5/04; B60G5/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A TANDEM AXLE SUSPENSION FOR A TANDEM AXLE VEHICLE COMPRISING A TRUNNION MOUNTING MEANS ON EACH SIDE OF THE VEHCILE, A PAIR OF WHEEL MOUNTING AXLES EXTENDING AT EQUAL DISTANCES BEFORE AND AFTER EACH TRUNNION MOUNTING MEANS, UPPER AND LOWER MULTIPLE LEAF SPRINGS EXTENDING LONGITUDINALLY OF THE VEHICLE VERTICALLY SPACED WITH RESPECT TO SAID TRUNNION MOUNTING MEANS, UPPER AND LOWER SPRING MOUNTING MEMBERS ROTATABLY MOUNTED UPON SAID TRUNNION MOUNTING MEANS AND EACH SUPPORTING THE RESPECTIVE UPPER OR LOWER MULTIPLE LEAF SPRINGS THEREON, AXLE MOUNTING MEANS HAVING UPPER AND LOWER MULTIPLE LEAF SPRING RETAINING MEANS FOR FREELY JOINING THE RESPECTIVE UPPER OR LOWER MULTIPLE LEAF SPRING END TO THE LOWER ADJACENT AXLE, MEANS RIGIDLY SECURING EACH OF SAID MULTIPLE LEAF SPRING MOUNTING MEMBERS TO ITS ASSOCIATED MULTIPLE LEAF SPRING WITH THE ENDS OF SAID MULTIPLE LEAF SPRING RESPECTIVELY JOINED TO SAID MULTIPLE LEAF SPRING RETAINING MEANS, A PLURALITY OF CHANNEL-SHAPED ELEMENTS IN EACH OF SAID AXLE MOUNTING MEANS, A PLURALITY OF CHANNEL-SHAPED ELEMENTS ON EACH OF SAID
Claim 2
Dependent Claim
166 words
A TANDEM AXLE SUSPENSION FOR A TANDEM AXLE VEHICLE COMPRISING A TRUNNION MOUNTING MEANS ON EACH SIDE OF THE VEHCILE, A PAIR OF WHEEL MOUNTING AXLES EXTENDING AT EQUAL DISTANCES BEFORE AND AFTER EACH TRUNNION MOUNTING MEANS, UPPER AND LOWER MULTIPLE LEAF SPRINGS EXTENDING LONGITUDINALLY OF THE VEHICLE VERTICALLY SPACED WITH RESPECT TO SAID TRUNNION MOUNTING MEANS, UPPER AND LOWER SPRING MOUNTING MEMBERS ROTATABLY MOUNTED UPON SAID TRUNNION MOUNTING MEANS AND EACH SUPPORTING THE RESPECTIVE UPPER OR LOWER MULTIPLE LEAF SPRINGS THEREON, AXLE MOUNTING MEANS HAVING UPPER AND LOWER MULTIPLE LEAF SPRING RETAINING MEANS FOR FREELY JOINING THE RESPECTIVE UPPER OR LOWER MULTIPLE LEAF SPRING END TO THE LOWER ADJACENT AXLE, MEANS RIGIDLY SECURING EACH OF SAID MULTIPLE LEAF SPRING MOUNTING MEMBERS TO ITS ASSOCIATED MULTIPLE LEAF SPRING WITH THE ENDS OF SAID MULTIPLE LEAF SPRING RESPECTIVELY JOINED TO SAID MULTIPLE LEAF SPRING RETAINING MEANS, A PLURALITY OF CHANNEL-SHAPED ELEMENTS IN EACH OF SAID AXLE MOUNTING MEANS, A PLURALITY OF CHANNEL-SHAPED ELEMENTS ON EACH OF SAID
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |