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Class Information
Number: 368/28
Name: Horology: time measuring systems or devices > With calendar indicator
Description: Subject matter including means for indicating days of the week, weeks of the month, months of the year, years or any other man-made divisions of time wherein the lowest time period unit indicated is at least equal to the time of one revolution of the earth on its axis.

Sub-classes under this class:

Class Number Class Name Patents
368/29 Electro-optical 141
368/40 Movable belt 8
368/39 Movable drum 4
368/37 Movable ring or disk 153
368/34 Setting or resetting 57
368/31 Winding and setting 20
368/33 Winding 1

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8711658 Instantaneous single click perpetual date mechanism Apr. 29, 2014
8675453 Backlash-compensating mechanism for a timepiece movement Mar. 18, 2014
8621373 Desktop assistant for multiple information types Dec. 31, 2013
8548668 Control system having tool tracking Oct. 1, 2013
8536987 Medication dosing monitor Sep. 17, 2013
8526272 Day and time chronometer movement Sep. 3, 2013
8509035 Calendar display device and calendar watch Aug. 13, 2013
8503267 Calendar display device and calendar watch Aug. 6, 2013
8467273 Leap second and daylight saving time correction for use in a radio controlled clock receiver Jun. 18, 2013
8379489 Devices for quantifying the passage of time Feb. 19, 2013
8339900 Watch with time zone display Dec. 25, 2012
8331201 Leap second and daylight saving time correction for use in a radio controlled clock receiver Dec. 11, 2012
8295126 Method and apparatus for processing a calendar database for time zone shifting Oct. 23, 2012
8264911 Universal wristwatch and relevant time setting system in twelfths and twenty-fourths according to the different time zone Sep. 11, 2012
8213267 Day and time chronometer movement Jul. 3, 2012
8149096 Medication container and dosing monitor Apr. 3, 2012
7961560 Display device for timepiece, movement, and timepiece Jun. 14, 2011
7961556 Day display apparatus and watch having the same Jun. 14, 2011
7864634 Timepiece with a calendar mechanism Jan. 4, 2011
7835229 Date mechanism for a timepiece Nov. 16, 2010
7817501 Mechanism for moving an indicator of a clock Oct. 19, 2010
7782715 Timepiece with a calendar number mechanism Aug. 24, 2010
7773462 Chinese mechanical calendar timepiece Aug. 10, 2010
7746730 Multifunction reminder system Jun. 29, 2010
7742364 Timepiece display apparatus, movement, and timepiece Jun. 22, 2010
7711481 Navigation system May. 4, 2010
7706214 Perpetual calendar mechanism Apr. 27, 2010
7702651 Spatially defined universal dates Apr. 20, 2010
7690690 Display medium having a bibliographic reference corresponding to date Apr. 6, 2010
7689448 System and methods for scheduling and tracking events across multiple time zones Mar. 30, 2010
7643379 Instantaneous display mechanism for a timepiece Jan. 5, 2010
7616527 Electronic timepiece with calendar function and control method for same Nov. 10, 2009
7609588 Multifunctional clock capable of realizing plurality of movement layouts Oct. 27, 2009
7590553 Integrated spatial view of time, location, and event schedule information Sep. 15, 2009
7535802 Annual calendar mechanism for a timepiece May. 19, 2009
7532545 Time piece provided with a date dial May. 12, 2009
7532546 Timepiece with calendar mechanism having date indicators for indicating date May. 12, 2009
7522476 Calendar mechanism for displaying the date and the day of the week in one timepiece Apr. 21, 2009
7492669 Timepiece attached with calendar mechanism having first date indicator and second date indicator Feb. 17, 2009
7492671 Analog radio-controlled timepiece Feb. 17, 2009
7480211 Secular perpetual calendar Jan. 20, 2009
7480212 Motion-activated reminder calendar Jan. 20, 2009
7463556 Alarm device Dec. 9, 2008
7460764 Apparatus for programming recording of TV program and/or radio program and control method therefor Dec. 2, 2008
7457202 Date display mechanism and timepiece possessing date display mechanism Nov. 25, 2008
7436737 Electric timepiece Oct. 14, 2008
7433269 Timepiece with analog display capable of indicating a date of one calendar in another calendar Oct. 7, 2008
7433271 Calendar mechanism for displaying the date and the day of the week in one timepiece Oct. 7, 2008
7420880 Multimode electronic device with calibrating/setting mechanism Sep. 2, 2008
7397731 Perpetual day reminder calendar Jul. 8, 2008

1 2 3 4 5 6

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