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US3228607A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric trackway for toy vehicles

Assignee: Individual
•
Filing: 1965-05-12
•
Granted: 1966-01-11
•
Expires: 1985-05-12
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Abstract

No abstract record available.

Inventors

  • 👤 Carl W Robinette
  • 👤 Douglas K Gowland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 04:55
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 215 words
ELECTRIC TRACKWAY FOR TOY VEHICLES COMPRISING A PLURALITY OF ELONGATED TRACK MEMBERS, THE UPPER SURFACES OF SAID TRACK MEMBERS EXTENDING BEYOND EACH END OF THE BODIES OF SAID TRACK MEMBERS TO FORM OVERHANGS AT THE ENDS THEREOF, A PAIR OF THIN STRIP-LIKE CONDUCTIVE TRACK ELEMENTS OF SPRINGY MATERIAL EMBEDDED IN EACH OF SAID TRACK MEMBERS AND EXTENDING LONGITUDINALLY THEREOF, THE PRINCIPAL PLANES OF SAID ELEMENTS BEING AT RIGHT ANGLES TO THE PRINCIPAL PLANES OF SAID TRACK MEMBERS AND THE UPPER LONGITUDINAL EDGES OF SAID ELEMENTS BEING SUBSTANTIALLY FLUSH WITH THE UPPER SURFACES OF SAID TRACK MEMBERS, EACH CONDUCTIVE ELEMENT BEING LONGER THAN ITS TRACK MEMBER AND HAVING AND END PROJECTING FROM EACH END OF ITS TRACK MEMBER, BOTH OF THE PROJECTING ENDS OF EACH CONDUCTIVE ELEMENT BEING BENT OUT OF THE PLANE OF SAID CONDUCTIVE ELEMENT TOWARD THE SAME SIDE OF THE TRACK MEMBER, SAID BENT-OVER ENDS PROJECTING SLIGHTLY AND RESILIENTLY BEYOND THE ENDS OF THE TRACK MEMBERS AND BEING POSITIONED TO RESILIENTLY CONTACT AND REPEL EACH OTHER WHEN THE ENDS OF TWO CONTIGUOUS TRACK MEMBERS ARE BROUGHT TOGETHER IN LONGITUDINAL ALIGNMENT, AND A LINK MEMBER CONNECTING EACH TWO CONTIGUOUS TRACK MEMBERS TO HOLD THE TWO SAID TRACK MEMBERS TOGETHER IN A CONNECTED POSITION AGAINST THE REPULSIVE FORCE EXERTED BY SAID BENT-OVER CONDUCTIVE ELEMENT ENDS.
Claim 2
Dependent Claim 215 words
ELECTRIC TRACKWAY FOR TOY VEHICLES COMPRISING A PLURALITY OF ELONGATED TRACK MEMBERS, THE UPPER SURFACES OF SAID TRACK MEMBERS EXTENDING BEYOND EACH END OF THE BODIES OF SAID TRACK MEMBERS TO FORM OVERHANGS AT THE ENDS THEREOF, A PAIR OF THIN STRIP-LIKE CONDUCTIVE TRACK ELEMENTS OF SPRINGY MATERIAL EMBEDDED IN EACH OF SAID TRACK MEMBERS AND EXTENDING LONGITUDINALLY THEREOF, THE PRINCIPAL PLANES OF SAID ELEMENTS BEING AT RIGHT ANGLES TO THE PRINCIPAL PLANES OF SAID TRACK MEMBERS AND THE UPPER LONGITUDINAL EDGES OF SAID ELEMENTS BEING SUBSTANTIALLY FLUSH WITH THE UPPER SURFACES OF SAID TRACK MEMBERS, EACH CONDUCTIVE ELEMENT BEING LONGER THAN ITS TRACK MEMBER AND HAVING AND END PROJECTING FROM EACH END OF ITS TRACK MEMBER, BOTH OF THE PROJECTING ENDS OF EACH CONDUCTIVE ELEMENT BEING BENT OUT OF THE PLANE OF SAID CONDUCTIVE ELEMENT TOWARD THE SAME SIDE OF THE TRACK MEMBER, SAID BENT-OVER ENDS PROJECTING SLIGHTLY AND RESILIENTLY BEYOND THE ENDS OF THE TRACK MEMBERS AND BEING POSITIONED TO RESILIENTLY CONTACT AND REPEL EACH OTHER WHEN THE ENDS OF TWO CONTIGUOUS TRACK MEMBERS ARE BROUGHT TOGETHER IN LONGITUDINAL ALIGNMENT, AND A LINK MEMBER CONNECTING EACH TWO CONTIGUOUS TRACK MEMBERS TO HOLD THE TWO SAID TRACK MEMBERS TOGETHER IN A CONNECTED POSITION AGAINST THE REPULSIVE FORCE EXERTED BY SAID BENT-OVER CONDUCTIVE ELEMENT ENDS.

References Cited (Backward Citations)

US1575089A Cited
US1657511A Cited
US1668249A Cited
US2153624A Cited
US2232511A Cited
US2401468A Cited
US2576828A Cited
US2647693A Cited
GB708187A Cited
US3048124A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-01-10 1969-07-12 1970-01-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-01-10 1973-07-12 1974-01-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-01-10 1977-07-12 1978-01-11 $7700.00 Window Closed / Lapsed

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