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Topic: finding us patents via their number  (Read 2443 times)

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Offline ABA2015

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finding us patents via their number
« on: January 03, 2014, 08:44:29 AM »
hi
may be it seems a funny question,
 I have us patents number for example us2009/93629 or us 3 781 289 but when I search it in us patent site http://patft.uspto.gov/netahtml/PTO/search-bool.html the site can not find it!!! what is my mistake here? :-[

Offline sjb

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Re: finding us patents via their number
« Reply #1 on: January 03, 2014, 10:11:38 AM »
hi
may be it seems a funny question,
 I have us patents number for example us2009/93629 or us 3 781 289 but when I search it in us patent site http://patft.uspto.gov/netahtml/PTO/search-bool.html the site can not find it!!! what is my mistake here? :-[

Seems perfectly visible here (at least the second) - An Upjohn patent, issued just over 40 years ago. Maybe try other sources, the other is also available and is a Centaur patent. Both seem relevant to your earlier post.

Offline 408

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Re: finding us patents via their number
« Reply #2 on: January 03, 2014, 10:21:19 AM »
I never use USPTO's site.  It sucks.  Try freepatentsonline.com

Offline discodermolide

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Re: finding us patents via their number
« Reply #3 on: January 03, 2014, 01:52:44 PM »
Try searching Google, it has most patents available.
I even found mine!
Development Chemists do it on Scale, Research Chemists just do it!
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