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US3567224A Expired / Lapsed US ⏱️ 0.0 years remaining

Bowling practice game apparatus

Assignee: Individual
•
Filing: 1968-03-29
•
Granted: 1971-03-02
•
Expires: 1988-03-29
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Abstract

Abstract A BOWLING PRACTICE GAME APPARATUS HAVING A TRANSVERSELY MOVABLE PLURALITY OF BALL SENSOR ON A SUBSTANDARD LENGTH ALLEY SPACED SUBSTANTIALLY THE SAME DISTANCE FROM THE FOUL LINE AS THE MARKER SPOTS ON A STANDARD ALLEY. INDICATOR LIGHTS ARE ILLUMINATED IN RESPONSE TO ACTUATION OF THE SENSORS TO PROVIDE A HYPOTHETICAL PINFALL INDICATION APPROXIMATING ACTUAL PINFALL FOR BOTH FIRST AND SECOND BALLS. A MECHANISM IS PROVIDED WHICH PREVENTS REVERSE ROLLING BALLS FROM ACTUATING THE SENSORS. A CURVED RAMP, AN OPTIONAL ONE WAY GATE AND AN ENERGY ABSORBER AT THE END OF THE ALLEY COOPERATE TO RETURN THE BALL TO THE BOWLER.

Inventors

  • 👤 Robert L Forgacs

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 22:16
CPC Classifications
A; A63; A63D; A63D5/00; A63D5/04

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) 1974-03-01 1974-08-31 1975-03-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-01 1978-08-31 1979-03-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-01 1982-08-31 1983-03-02 $7700.00 Window Closed / Lapsed

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