Patents for G09D 3 - Perpetual calendars (1,171)
01/2001
01/10/2001CN2414478Y Assembling type multi-purpose wall calendary
01/03/2001CN2413334Y Multi-purpose combined century calendary
01/03/2001CN2412751Y Pen with perpetual calendar
11/2000
11/29/2000CN2408537Y Automatic desk calendar with time display
11/22/2000CN2407420Y Calender time difference demonstrator
11/22/2000CN2407419Y Automatic calender turning device controlled by timer
11/02/2000WO2000065531A2 Identification bracelet and feeding device for transferring thereof to data reading unit
11/01/2000CN2403577Y Box type calendary capable of automatic rolling changing tableau
10/2000
10/31/2000US6138391 Calendar
09/2000
09/27/2000CN2398701Y Changable permanent wall calendar
09/12/2000US6116656 Perpetual coded calender
08/2000
08/30/2000CN2394282Y Plate calender
08/23/2000CN1264102A Clock-controlled automatically leafed-over calendar device
08/02/2000CN2390251Y Practical perpetual calendar
07/2000
07/19/2000CN2388675Y Circulation calendar
07/19/2000CN2388674Y Board-type wall calendar
06/2000
06/27/2000US6080056 Coin handling apparatus and a coin deposit machine incorporating such an apparatus
06/21/2000CN2383682Y Table calendar
04/2000
04/13/2000WO2000021058A1 An open-type linear cycle calendar system and its construction method
04/12/2000CN2373858Y Rotary disc type universal calendar
04/05/2000CN2372746Y Display device with the Gregorian, the lunar calenda date, year and week interactive inquiry function
04/05/2000CN1249493A Desk calendar having advertisement function
12/1999
12/23/1999WO1999066479A1 Circular calendar
12/22/1999CN1239268A Universal calendar
12/08/1999CN2353009Y Rotating disc type universal desk calendar
12/08/1999CN2353008Y Disc type multi-functional universal desk calendar
11/1999
11/30/1999US5992064 Deformable handheld calendar
11/25/1999WO1999060549A1 Novel enhanced coded means for calendaring
11/24/1999CN2350827Y Automatic perpetual calendar
11/10/1999CN2348448Y 台历 Calendar
11/03/1999EP0953189A1 Adjustable calendar with double annual codification and global transformation
10/1999
10/19/1999US5967787 Educational display with a clock and with numeral and date blocks accompanied by a base 10 mathematical apparatus
10/06/1999CN2342429Y Automatic calendar for one thousand years
09/1999
09/29/1999CN2341219Y Electronic desk diary with calling indication
09/29/1999CN2341218Y Desk diary seat
09/14/1999US5950338 Cylinder-type perpetual calendar assembly
08/1999
08/25/1999CN2335213Y Cylinder type universal year calendar
08/24/1999US5943298 Multi-dimensional calendar
08/11/1999CN2333053Y Permanent wall calendar
08/03/1999US5930924 Perpetual calendar
07/1999
07/01/1999WO1999033030A1 Coin handling apparatus and a coin deposit machine incorporating such an apparatus
06/1999
06/30/1999EP0926634A2 Coin handling apparatus and a coin deposit machine incorporating such an apparatus
06/23/1999CN2325841Y Wall calendar
05/1999
05/19/1999CN2319883Y Over ten thousands civil calendar mobile disk
05/18/1999US5903990 Chinese sexagenary cycle calendar
05/18/1999CA2191501C Network communication system with global event calendar information and trunk allocation
05/05/1999CN2317519Y Translational calendary
04/1999
04/14/1999CN1213805A Opening linear periodic calendar system
04/08/1999WO1999017266A1 Golf ball calendar
04/01/1999WO1999016038A1 Adjustable calendar with double annual codification and global transformation
03/1999
03/10/1999CN2310352Y Television set shaped electronic perpetual table-calendar housing
02/1999
02/24/1999CN2308932Y Three thousands quick looking up calendar disk
02/10/1999CN2307325Y Permanent calendar
01/1999
01/20/1999CN2304963Y Long period calendar
01/13/1999CN1204828A Permanent calendar disc
01/06/1999CN2303346Y Universal calender able to chech date before or after today
12/1998
12/30/1998CN2302571Y Rotary disc fast-check-up permanent calendar
12/23/1998EP0885435A1 Calendar
12/09/1998CN2300153Y Multi-functional perpetual calendar with speech capable of displaying temp.
12/02/1998CN2299354Y Permanent wall calendary
11/1998
11/25/1998CN2298572Y Hand wall lamp type rolling wall calendary
11/10/1998US5832640 Method of determining any day of any week of any month of any year
11/04/1998CN2296547Y Multifunctional electronic automatic wall calendary
10/1998
10/28/1998CN2296049Y Automatic calender
10/28/1998CN2296048Y Conveniently turnover calender
10/07/1998CN2293875Y Children intelligent combine callender
09/1998
09/29/1998US5813539 Calendar organizer
09/01/1998US5799423 To be used adjacent to a metal surface
07/1998
07/09/1998WO1998029855A1 Dial calendar
06/1998
06/23/1998US5768812 Display mount apparatus
05/1998
05/19/1998CA2221312A1 Perpetual cyclic combination digital calendar and clock
05/06/1998CN2280970Y Electric automatic page-changing desk calendar
04/1998
04/08/1998CN2278251Y Lamp painting calendar
03/1998
03/31/1998US5732490 Perpetual calendar
03/04/1998CN2275746Y Adjustable calendar
03/04/1998CN2275735Y Display unit for Gregorian-and traditional Chinese-calendar data, year and week
02/1998
02/25/1998CN1174366A Month calender with solar calender as its main part
02/10/1998US5715618 Biennial photo album calendar
01/1998
01/28/1998CN2273445Y Picture frame type permanent movable calendary
01/14/1998CN1170181A Universal dial for 64 divinations of
12/1997
12/20/1997CA2173263A1 Perpetual calendar
11/1997
11/26/1997CN2268969Y Multifunctional calinder for activities such as exercising, touring and recreating
11/12/1997CN2267500Y Moveable and making-up type perpetual calendar
11/05/1997CN2266767Y Watch type calendar
10/1997
10/22/1997CN2265567Y Multi-function electronic desk calendar
09/1997
09/25/1997DE19611299A1 Permanent calendar with casing for sliding component
09/17/1997CN2262736Y Box-type monthly calendar
09/12/1997WO1997033264A1 Calendar
08/1997
08/27/1997CN2261058Y Long-service Gregorian-calendar monthly calendar
08/19/1997US5657561 Multi-year calendar device
08/12/1997US5655319 Perpetual recording calendar
07/1997
07/23/1997CN2258305Y Movable block calendar
07/16/1997CN2257948Y Multifunctional hanging calendar
07/08/1997US5646986 Network communication system with global event calendar information and trunk allocation
07/02/1997EP0782351A2 Communications network with global event based trunk allocation system
06/1997
06/18/1997CN2256571Y Electronic wall calendar
06/11/1997CN2256136Y Calendar with turnable pictures
06/11/1997CN2256135Y Artist calendar
06/11/1997CN1151564A Month calendar able to be used for years
05/1997
05/28/1997CN2255083Y Rack for calendar
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