G - Physics
09
D
40/7
G09D 3/08 (2006.01)
Patent
CA 1079067
Abstract of the Disclosure A one-year calendar comprising a date disk, a week disk coaxially superimposed on the date disk and rotatably coupled with it, date indicating figures on the date disk, the figures comprising a 1st day to a 31st day of which the 1st day to the 28th day are circularly arranged and the 29th day to the 31st day are disposed inside of the 1st day to the 3rd day, and week indicating letters for four weeks arranged to correspond with the date indicating figures on the date disk, one of the disks having month indicating letters which are disposed to correspond the date indicating figures with the week indicating letters, and other disk having means for bringing only necessary month indicating letters into a visible condition, and having cover sections for selectively covering the 29th day to the 31st day.
261895
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