Stop watch and timing device

Details Stop watch and timing device Stop watch and timing device

1976-03-18

1978-10-31

Witkowski, Stanley J.

58 73, 58 80, 58 855, 58 86, 58 87, 58117, 58125R, G04B 1100, G04B 2704, G04F 706, G04F 708

Patent

active

041226631

ABSTRACT:
There is disclosed herein a stop watch and timing device which includes a dial train, escapement, time train, mainspring and barrel, and stop, start and reset means of novel design. The device is readily adapted for construction using inexpensive molded plastic components which are easily assembled with a minimum of time and effort.

REFERENCES:
patent: 1101443 (1914-06-01), Howard
patent: 1173466 (1916-02-01), Teske
patent: 1677045 (1928-07-01), Odom
patent: 2443558 (1948-06-01), Frennesen
patent: 2532943 (1950-12-01), Riemer
patent: 3210925 (1965-10-01), Hepler
patent: 3315461 (1967-04-01), Eshleman et al.
patent: 3675413 (1972-07-01), Fluck
patent: 3681915 (1972-08-01), Kanazawa et al.
patent: 3785143 (1974-01-01), Fujimori
patent: 3974639 (1976-08-01), Gilomen et al.

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