US3316401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road race track switch
Assignee: Eldon Industries Inc
•
Filing: 1964-06-01
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Granted: 1967-04-25
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Expires: 1984-06-01
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)
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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) | 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 |