Patent US5572179A successfully refreshed from Google Patents.
US3144731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Model vehicles
Assignee: Mettoy Co Ltd
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Filing: 1961-08-07
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Granted: 1964-08-18
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Expires: 1981-08-07
Abstract
No abstract record available.
Inventors
- 👤 Jones Arthur Baxter
- 👤 Howard W Fairbairn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:44
CPC Classifications
A; A63; A63H; A63H17/00; A63H17/26; A63H17/36; A63H17/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A MODEL VEHICLE COMPRISING A BODY, A PAIR OF SPACED UPRIGHT PIVOTS ON SAID BODY, A WHEEL SUPPORTING MEMBER MOUNTED ON EACH OF SAID PIVOTS, SAID MEMBER BEING FREE TO OSCILLATE ABOUT THE AXIS OF SAID PIVOT AND TO MOVE AXIALLY ALONG SAID AXIS, A VEHICLE SUPPORTING WHEEL ROTATABLY MOUNTED ON EACH SUPPORTING MEMBER, A CONNECTING MEMBER INTERCONNECTING SAID SUPPORTING MEMBERS FOR MOVEMENT IN UNISON ABOUT SAID AXES INDEPENDENTLY OF ANY STEERING GEAR, A SPRING URGING EACH OF SAID SUPPORTING MEMBERS DOWNWARDLY ALONG THE AXIS OF SAID PIVOT, WHEREBY SAID BODY IS RESILIENTLY SUPPORTED ON SAID WHEELS, AND A CAM FIXED TO SAID BODY, SAID CAM BEING ENGAGEABLE BY SAID WHEEL SUPPORTING MEMBERS TO DEFLECT ONE OF SAID SUPPORTING MEMBERS UPWARDLY ALONG SAID AXIS, AGAINST THE ACTION OF ITS RESPECTIVE SPRING, WHEN SAID SUPPORTING MEMBERS MOVE FROM A CENTRAL POSITION ABOUT SAID PIVOTS, SAID SPRINGS TENDING TO RETURN SAID SUPPORTING MEMBERS TO THE CENTRAL POSITION.
Claim 2
Dependent Claim
155 words
A MODEL VEHICLE COMPRISING A BODY, A PAIR OF SPACED UPRIGHT PIVOTS ON SAID BODY, A WHEEL SUPPORTING MEMBER MOUNTED ON EACH OF SAID PIVOTS, SAID MEMBER BEING FREE TO OSCILLATE ABOUT THE AXIS OF SAID PIVOT AND TO MOVE AXIALLY ALONG SAID AXIS, A VEHICLE SUPPORTING WHEEL ROTATABLY MOUNTED ON EACH SUPPORTING MEMBER, A CONNECTING MEMBER INTERCONNECTING SAID SUPPORTING MEMBERS FOR MOVEMENT IN UNISON ABOUT SAID AXES INDEPENDENTLY OF ANY STEERING GEAR, A SPRING URGING EACH OF SAID SUPPORTING MEMBERS DOWNWARDLY ALONG THE AXIS OF SAID PIVOT, WHEREBY SAID BODY IS RESILIENTLY SUPPORTED ON SAID WHEELS, AND A CAM FIXED TO SAID BODY, SAID CAM BEING ENGAGEABLE BY SAID WHEEL SUPPORTING MEMBERS TO DEFLECT ONE OF SAID SUPPORTING MEMBERS UPWARDLY ALONG SAID AXIS, AGAINST THE ACTION OF ITS RESPECTIVE SPRING, WHEN SAID SUPPORTING MEMBERS MOVE FROM A CENTRAL POSITION ABOUT SAID PIVOTS, SAID SPRINGS TENDING TO RETURN SAID SUPPORTING MEMBERS TO THE CENTRAL POSITION.
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |