Spiral spring for time measuring device

Details Spiral spring for time measuring device Spiral spring for time measuring device

2006-03-28

2006-03-28

Cuneo, Kamand (Department: 2841)

Horology: time measuring systems or devices

Mechanical time base

Mainspring

C368S175000, C267S272000

Reexamination Certificate

active

07018092

ABSTRACT:
A spiral spring for use in connection with horology instruments is disclosed which includes a spiral spring and a collet which are produced in one piece without molecular discontinuity.

REFERENCES:
patent: 2335974 (1943-12-01), Simpson
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patent: 3599423 (1971-08-01), Beguin et al.
patent: 3673376 (1972-06-01), Kullmann
patent: 3696607 (1972-10-01), Dinerstein
patent: 3846612 (1974-11-01), Augsburger
patent: 3871095 (1975-03-01), Miyamoto et al.
patent: 3896614 (1975-07-01), Bachmann
patent: 3956881 (1976-05-01), Vuille et al.
patent: 5907524 (1999-05-01), Marmy et al.

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