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Class Information
Number: 368/320
Name: Horology: time measuring systems or devices > Crown or stem details > Switch or detent
Description: Subject matter including means to hold or lock the crown or stem into more than one position.










Sub-classes under this class:

Class Number Class Name Patents
368/321 Electrical 65


Patents under this class:

Patent Number Title Of Patent Date Issued
8277117 Radial clamping system for a timepiece component Oct. 2, 2012
7909503 Portable timepiece and method of fabricating crown provided to the timepiece Mar. 22, 2011
7318670 Wristwatch push-piece winding button control device Jan. 15, 2008
7210845 Portable electronic instrument including at least one input/output terminal for establishing a communication with an electronic unit arranged within said instrument May. 1, 2007
6527436 Watch Mar. 4, 2003
6494615 Control device with a snap function and watch fitted therewith Dec. 17, 2002
6422740 Wristwatch Jul. 23, 2002
6315443 Precious metal chronograph watch with a hollowed middle part-bezel Nov. 13, 2001
6270251 Push-button mechanism and timepiece fitted with such mechanisms Aug. 7, 2001
6203190 Crown switching mechanism Mar. 20, 2001
6203189 Manual control device for a watch Mar. 20, 2001
5644553 Combined crown/pushbutton for illuminated analog watch Jul. 1, 1997
5299179 Pushpiece for a diver's timepiece Mar. 29, 1994
5184334 Sealed control arrangement for a timepiece Feb. 2, 1993
5164924 Double-pipe switch structure for use in compact electronic apparatus of wrist watch type Nov. 17, 1992
5001687 Wristwatch with a switching crown Mar. 19, 1991
4536095 Crown setting switch for a wristwatch Aug. 20, 1985
4509867 Electronic timepiece movement Apr. 9, 1985
4448541 Medical timer apparatus May. 15, 1984
4435796 Electrical connection construction for electronic timepiece Mar. 6, 1984
4430532 Electronic watch multi-curcuit pushbutton switch Feb. 7, 1984
4423966 Alarm control system for alarm clock Jan. 3, 1984
4422776 Device for correction of time date displayed by an electronic watch Dec. 27, 1983
4403315 Electronic timepiece assembly Sep. 6, 1983
4400095 Push button assembly for a watch Aug. 23, 1983
4268913 Electronic calculator watch May. 19, 1981
4264969 Standardized electronic watch movement Apr. 28, 1981
4122664 Electronic watch Oct. 31, 1978
4034553 Stem detent arrangement for wristwatch Jul. 12, 1977
4034551 Safety feature for function control circuit Jul. 12, 1977











 
 
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