patten Number, can you date them?

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jfpnatl	posted on September 24, 2001 08:05:04 PM new I seem to remember someone posting a site where you can look up patten a number, amyone remember that? patten mumber I am looking up is 64211..... can and anyone help with that?? thanks in advance!!!!
packer	posted on September 24, 2001 08:13:08 PM new http://www.uspto.gov/web/offices/ac/ido/oeip/taf/issuyear.htm
capotasto	posted on September 24, 2001 08:22:16 PM new 1867
jfpnatl	posted on September 24, 2001 08:24:23 PM new Thanks!!!!!!!
loosecannon	posted on September 24, 2001 08:58:56 PM new Hold on... It depends on if it's a Design Patent or an Invention Patent. Two different number lists. Design Patent numbers are often preceded by a "Des." or a "D" (but not always), like Des. 67745 for example. If it is a Design Patent the year for #64211 is 1924. If it is from the year 1867 it is an Invention Patent. You probably need to judge by the age of the piece. Or, if there is a "D" or "Des." in front of the number then the mystery is solved.

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