Patent US4251949A successfully refreshed from Google Patents.
US4251949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy track and bowl with car height indicator
Assignee: Mattel Inc
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Filing: 1979-02-21
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Granted: 1981-02-24
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Expires: 1999-02-21
Abstract
Abstract A toy racing apparatus including an inclined section of track and a bowl. The track enters the bowl through an opening in the lower sidewall where its surface is tangent to the interior wall. A vehicle placed at the upper end of the track will speed down the track, enter the bowl, and progress in a spiral path upwardly inside the bowl. In a preferred embodiment, the bowl is transparent and flags are positioned to be displaced as a vehicle reaches particular heights in the bowl.
Inventors
- 👤 Gordon H. Buck
- 👤 Kenneth I. Amamoto
- 👤 William Hart
- 👤 Michael T. McKittrick, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:04
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/02; A63H18/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A toy racing apparatus comprising an inclined section of track; a bowl having an opening in the lower portion thereof; means for forming a smooth surface joining the track to the bowl, the surface joining the bowl at the opening in a plane tangent to the inner surface of the bowl; and means for indicating the height to which a vehicle progresses within the bowl, including a flag mounted on the exterior of the bowl, and means projecting into the interior of the bowl to displace the flag as the vehicle passes the height of the flag.
Claim 2
Dependent Claim
97 words
A toy racing apparatus comprising an inclined section of track; a bowl having an opening in the lower portion thereof; means for forming a smooth surface joining the track to the bowl, the surface joining the bowl at the opening in a plane tangent to the inner surface of the bowl; and means for indicating the height to which a vehicle progresses within the bowl, including a flag mounted on the exterior of the bowl, and means projecting into the interior of the bowl to displace the flag as the vehicle passes the height of the flag.
References Cited (Backward Citations)
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US2000808A
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US2080029A
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US3167024A
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US3343793A
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US3686789A
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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) | 1984-02-24 | 1984-08-25 | 1985-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-24 | 1988-08-25 | 1989-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-24 | 1992-08-25 | 1993-02-24 | $7700.00 | Window Closed / Lapsed |