首先,US29/240514是一个美国专利的申请号
Series Codes:
2 Earlier than Jan. 1, 1948
3 Jan.1, 1948 - Dec. 31, 1959
4 Jan. 1, 1960 - Dec. 31, 1969
5 Jan. 1, 1970 - Dec. 31, 1978
6 Jan. 1, 1979 - Dec. 31, 1986
7 Jan. 1, 1987 - Dec. 31, 1992
8 Jan. 1, 1993 - Dec. 31, 1997
9 Jan. 1, 1998 - Dec. 2001
10 Dec. 2001 - Dec. 2004
11Dec. 2004 -- present
29 Design applications (January 1993 on)
http://www.uspto.gov/patft/help/helpflds.htm#Application_Number |