| China Patent Information Research System | Search Counter£º |
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Search formula for Application Date is to input in the Line B Format: Application Date is a six-digit number. The following format are available: YYMMDD YYMM YY or YYMMDD>YYMMDD (this format doesn't work without day or month of the date) YY denotes Year(2 digit) MM denotes Month(2 digit) DD denotes Day (2 digit) | ||||||||||||
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For a complicated search in which more than one Application Date is involved, boolean operators, "+', "*", "-", "(" and ")" can be used. | ||||||||||||
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Important: "*"£šAND£©doesn't make any sense to Application Date. If search in this entry is carried out successfully, the hits will be shown at the most right column of this line, otherwise the error message will be shown instead. |
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