Crown for watches and a tool for attaching a screw-in tube...

Horology: time measuring systems or devices – Cases – With crown or stem details

Reexamination Certificate

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Details

C368S319000

Reexamination Certificate

active

06974248

ABSTRACT:
A crown for watches, especially wristwatches or pocket watches, the crown body which is provided on a winding stem is made up of two parts and includes of a first part which forms the grip surface of the crown and a second part. The crown body furthermore has a crown body thread and can be screwed to a penetration which is provided on the watch case for the winding stem.

REFERENCES:
patent: 4062179 (1977-12-01), Koike
patent: 4092879 (1978-06-01), Hernandez
patent: 4292682 (1981-09-01), Wenger
patent: 5383166 (1995-01-01), Gallay
patent: 6137750 (2000-10-01), Rieben
patent: 6200020 (2001-03-01), Rieben
patent: 6447159 (2002-09-01), Damasko

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