Dual timing apparatus

Details Dual timing apparatus Dual timing apparatus

1981-01-30

1982-07-20

Miska, Vit W.

Horology: time measuring systems or devices

Time interval

Gravity actuated type

G04F 104

Patent

active

043409474

ABSTRACT:
The dual timing apparatus invented comprises an enclosure having a fluid-filled cavity, a body free to move within the fluid, and a rotatable means to measure and control playing times between opponents in concentration games such as Scrabble, chess, checkers, and the like.

REFERENCES:
patent: 2984064 (1961-05-01), Russell et al.
patent: 3522701 (1970-08-01), Perry
patent: 4236242 (1980-11-01), Barton
patent: 4538846 (1980-12-01), Barton

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