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US3103360A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical racing device

Assignee: Individual
•
Filing: 1961-03-16
•
Granted: 1963-09-10
•
Expires: 1981-03-16
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Abstract

No abstract record available.

Inventors

  • 👤 Archey V Miller
  • 👤 Muller Carl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 19:06
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/10

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 261 words
AN AMUSEMENT DEVICE, COMPRISING: A TABLE TOP HAVING A PLANE UPPER SURFACE; A BASE POSITIONED BENEATH SAID TABLE TOP AND FIXED RELATIVE THERETO; A PLURALITY OF MAGNETIC OBJECTS INDEPENDENTLY POSITIONED ON SAID PLANE UPPER SURFACE AND MOVABLY SUPPORTED THEREON; A ROTATABLE ARM JOURNALLED ON SAID BASE ABOUT A FIXED VERTICAL AXIS; AN ECCENTRIC ARM JOURNALLED ON SAID ROTATABLE ARM ABOUT AN AXIS RADIALLY SPACED FROM SAID FIXED AXIS, SAID ECCENTRIC ARM BEING LOCATED ABOVE SAID ROTATABLE ARM; DRIVE MEANS MOUNTED ON SAID BASE OPERATIVELY CONNECTED TO SAID ROTATABLE ARM ADAPTED TO ROTATE SAID ROTATABLE ARM ABOUT SAID FIXED AXIS; A MAGNET SUPPORT LOCATED ADJACENT THE UNDERSIDE OF SAID TABLE TOP AND MOUNTED ON SAID ECCENTRIC ARM FOR ROTATION ABOUT AN AXIS PARALLEL TO AND RADIALLY OFFSET FROM THE AXIS OF SAID ECCENTRIC ARM ON SAID ROTATABLE ARM; A PLURALITY OF MAGNETS CARRIED BY SAID MAGNET SUPPORT INTERMEDIATE SAID TABLE TOP AND SAID MAGNET SUPPORT, THE MAGNETIC FIELD OF SAID MAGNETS BEING SUFFICIENT TO EXERT AN ATTRACTIVE FORCE ON SAID MAGNETIC OBJECTS WHEN THE INDIVIDUAL MAGNETS ARE POSITIONED BELOW THE INDIVIDUAL MAGNETIC OBJECTS; MEANS OPERATIVELY CONNECTED TO SAID ROTATABLE ARM, SAID BASE AND SAID ECCENTRIC ADAPTED TO EFFECT ROTATION OF SAID ECCENTRIC ARM ABOUT ITS AXIS ON SAID ARM IN RESPONSE TO MOTION OF SAID ROTATABLE ARM ABOUT SAID FIXED AXIS; AND MEANS ON SAID ECCENTRIC ARM OPERATIVELY ENGAGEABLE WITH SAID MAGNET SUPPORT ADAPTED TO EFFECT RANDOM ROTATIONAL MOVEMENT OF SAID MAGNET SUPPORT RELATIVE TO SAID ECCENTRIC ARM IN RESPONSE TO ROTATIONAL MOVEMENT OF SAID ECCENTRIC ARM RELATIVE TO SAID ROTATABLE ARM.

References Cited (Backward Citations)

US264258A Cited
GB629834A Cited
US2668389A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-09-09 1967-03-11 1967-09-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-09-09 1971-03-11 1971-09-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-09-09 1975-03-11 1975-09-10 $7700.00 Window Closed / Lapsed

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