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US3611622A Expired / Lapsed US ⏱️ 0.0 years remaining

Track toy

Assignee: Individual
•
Filing: 1970-02-16
•
Granted: 1971-10-12
•
Expires: 1990-02-16
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Abstract

Abstract A TOY VEHICLE AND TRACKWAY THEREFORE ARE PROVIDED IN WHICH COMPRESSED AIR IS UTILIZED AS A MEDIUM FOR PROPULSION OF THE TOY ALONG THE TRACKWAY. IN ONE FORM, THE TRACKWAY IS AN ELONGATED EXTRUSION, SUCH AS A RECTANGULAR, HOLLOW TUBE, CONTAINING HOLES DRILLED THROUGH A WALL THEREOF SUBSTANTIALLY ALONG THE LENGTH OF THE TUBE AND DIRECTED SO AS TO PERMIT AIR PUMPED INTO THE TUBE TO BE EJECT AS A PLURALITY OF JET STREAMS UPWARDLY ANS IN THE DIRECTION OF MOVEMENT OF THE VEHICLE. THE VEHICLE IS A LIGHTWEIGHT SHELL HAVING ONE OR MORE PORTIONS CONFORMING TO THE CONFIGURATION OF THE TRACK OF TRACKWAY AND ADAPTED TO NORMALLY REST WITH ONE OR MORE UNDERSURFACES OF THE VEHICLE ABUTTING OR DISPOSED IMMEDIATELY OFF THE SURFACE OF THE TRACK. AIR PUMPED INTO TRACK IS DIRECTED THROUGH THE HOLES IN THE WALL THEREOF UPWARDLY AGAINST THE CONFORMING SURFACE OF THE VEHICLE AND IS OPERATIVE TO BOTH LIFT THE VEHICLE AND CAUSE IT TO TRAVEL ALONG THE TRACK. THE TRACK MAY BE MADE OF FLEXIBLE OR RIGID MATERIAL. IF FLEXIBLE, IT MAY CONTAIN A BENDABLE METAL WIRE SO THAT IT MAY BE BENT AND RETAINED IN A PARTICULAR CURVED CONFIGURATION. IN ANOTHER FORM, THE TRACK IS IN THE SHAPE OF A HOLLOW MONORAIL SUPPORTED AT SPACED INTERVALS ABOVE A SURFACE BY MEANS OF POLES AND THE VEHICLE IS SUSPENDED FROM A CARRIAGE WHICH IS DRIVEN ALONG THE MONORAIL BY AIR EJECTED UPWARDLY THROUGH HOLES IN THE UPPER WALL OF THE MONORAIL.

Inventors

  • 👤 Jerome H Lemelson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 11:03
CPC Classifications
A; A63; A63H; A63H21/00; A63H21/04; A63H18/00; A63H18/002

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-10-11 1975-04-12 1975-10-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-10-11 1979-04-12 1979-10-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-10-11 1983-04-12 1983-10-12 $7700.00 Window Closed / Lapsed

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