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US3316401A Expired / Lapsed US ⏱️ 0.0 years remaining

Road race track switch

Assignee: Eldon Industries Inc
•
Filing: 1964-06-01
•
Granted: 1967-04-25
•
Expires: 1984-06-01
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Abstract

No abstract record available.

Inventors

  • 👤 Al L Cramer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 23:01
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/02; A63H18/023

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 201 words
A SWITCH TRACK SECTION FOR USE WITH MODEL ROAD RACE CARS, SAID SWITCH TRACK SECTION HAVING A GENERALLY PLANAR TOP SURFACE ADAPTED FOR THE SUPPORT OF A ROAD RACE CAR AND HAVING GUIDE GROOVE MEANS DEPRESSED BELOW SAID SURFACE ADAPTED FOR THE GUIDANCE OF A MODEL ROAD RACE CAR: SAID GUIDE GROOVE MEANS COMPRISING AN ENTRY GUIDE GROOVE AND FIRST AND SECOND DIVERGING GUIDE GROOVES ADAPTED TO SELECTIVELY GUIDE A ROAD RACE CAR IN FIRST OR SECOND DIRECTIONS, SAID ENTRY GUIDE GROOVE AND SAID DIVERGING GUIDE GROOVES MEETING AT A JUNCTURE; A SWITCH BLADE MOVABLY MOUNTED AT SAID JUNCTURE SO AS TO BE ADAPTED TO SELECTIVELY GUIDE A ROAD RACE CAR FROM SAID ENTRY GROOVE TO SAID FIRST DIVERGING GROOVE, AND FROM SAID ENTRY GROOVE TO SAID SECOND DIVERGING GROOVE; A DOG EXTENDING INTO SAID ENTRY GROOVE, SAID DOG BEING ADAPTED TO BE SELECTIVELY ACTUATED BY A ROAD RACE CAR TRAVELING THEREPAST, SAID DOG BEING CONNECTED TO SAID SWITCH BLADE TO MOVE SAID SWITCH BLADE; AND A RAMP POSITIONED WITHIN SAID ENTRY GROOVE ADJACENT SAID DOG, SAID RAMP BEING ARRANGED TO SELECTIVELY ACT UPON A ROAD RACE CAR BEING GUIDED BY SAID ENTRY GROOVE SO THAT IT SELECTIVELY ENGAGES SAID DOG.
Claim 2
Dependent Claim 201 words
A SWITCH TRACK SECTION FOR USE WITH MODEL ROAD RACE CARS, SAID SWITCH TRACK SECTION HAVING A GENERALLY PLANAR TOP SURFACE ADAPTED FOR THE SUPPORT OF A ROAD RACE CAR AND HAVING GUIDE GROOVE MEANS DEPRESSED BELOW SAID SURFACE ADAPTED FOR THE GUIDANCE OF A MODEL ROAD RACE CAR: SAID GUIDE GROOVE MEANS COMPRISING AN ENTRY GUIDE GROOVE AND FIRST AND SECOND DIVERGING GUIDE GROOVES ADAPTED TO SELECTIVELY GUIDE A ROAD RACE CAR IN FIRST OR SECOND DIRECTIONS, SAID ENTRY GUIDE GROOVE AND SAID DIVERGING GUIDE GROOVES MEETING AT A JUNCTURE; A SWITCH BLADE MOVABLY MOUNTED AT SAID JUNCTURE SO AS TO BE ADAPTED TO SELECTIVELY GUIDE A ROAD RACE CAR FROM SAID ENTRY GROOVE TO SAID FIRST DIVERGING GROOVE, AND FROM SAID ENTRY GROOVE TO SAID SECOND DIVERGING GROOVE; A DOG EXTENDING INTO SAID ENTRY GROOVE, SAID DOG BEING ADAPTED TO BE SELECTIVELY ACTUATED BY A ROAD RACE CAR TRAVELING THEREPAST, SAID DOG BEING CONNECTED TO SAID SWITCH BLADE TO MOVE SAID SWITCH BLADE; AND A RAMP POSITIONED WITHIN SAID ENTRY GROOVE ADJACENT SAID DOG, SAID RAMP BEING ARRANGED TO SELECTIVELY ACT UPON A ROAD RACE CAR BEING GUIDED BY SAID ENTRY GROOVE SO THAT IT SELECTIVELY ENGAGES SAID DOG.

References Cited (Backward Citations)

US1156183A Cited
GB894837A Cited
US3154024A Cited
US3108398A Cited
US3206122A Cited
US3117755A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-04-24 1970-10-24 1971-04-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-04-24 1974-10-24 1975-04-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-04-24 1978-10-24 1979-04-25 $7700.00 Window Closed / Lapsed

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