The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 17, 2009
Filed:
Feb. 13, 2007
Mamoru Watanabe, Chiba, JP;
Mamoru Watanabe, Chiba, JP;
Seiko Instruments Inc., , JP;
Abstract
A timepiece is provided with a calendar mechanism having a first date indicator for indicating a units position of a date and a second date indicator for indicating a tens position of the date. The first date indicator has a drive cam for rotating the second date indicator and determining a position of the second date indicator. The second date indicator includes a first date character indicating face having numerals '1', '2', “3”, and “0”, and a second date character indicating face having a fan-like shape and including four pieces of trapezoidal-shaped portions formed by a pitch interval of (2*360/31) degrees through (3*360/31) degrees, three pieces of notched portions formed by a pitch interval of (2*360/31) degrees through (3*360/31) degrees, and a set of numerals comprising a numeral of “1”, a numeral of “2”, a numeral of “3”, and a numeral of “0”.