Patent number dating chart

01-Aug-2016 21:39

Trac II Atra Plus cartridges: "plus" lubricating aloe dating pea coats strip 1989 J DE/Trac II/Atra/Dispo 1990's back to top K-U DE/Trac II/Atra/Dispo/Sensor "Sensor" for Men introduced in 1990 Sensor pivoting cartridge, with flexible twin blades.

i Phone 5 features the dual-core A6 processor, increases the size of the Retina display to 4 inches, introduces LTE support and replaces the 30-pin dock connector with an all-digital Lightning connector.

You can suggest USPTO webpages or material you would like featured on this section by Email to the [email protected]

Unfortunately for those interested in historical research, pre-1976 patents are only searchable by patent number or classification.If you only have a pre-1976 patent date, you also may be able to find the patent if you can hit upon the correct class for the item (see "Tools to Help..." above) and track the patent down, hit and miss.You cannot "Advanced Search" by date or inventor's name, etc.In addition, the Patent and Trademark Office has a file that lists all patent numbers and their associated dates of grant. See the link labeled, "Click here to download the zipped Patent Grant Authority Files". O Box 1450 Alexandria VA 22313-1450 tel: (571) 272-5600 fax: (571) 273-0110 email: [email protected] of PTMT pages at the USPTO Web Site: PTMT files available for download at : Is there a question about what the USPTO can or cannot do that you cannot find an answer for?Send questions about USPTO programs and services to the USPTO Contact Center(UCC).

Unfortunately for those interested in historical research, pre-1976 patents are only searchable by patent number or classification.If you only have a pre-1976 patent date, you also may be able to find the patent if you can hit upon the correct class for the item (see "Tools to Help..." above) and track the patent down, hit and miss.You cannot "Advanced Search" by date or inventor's name, etc.In addition, the Patent and Trademark Office has a file that lists all patent numbers and their associated dates of grant. See the link labeled, "Click here to download the zipped Patent Grant Authority Files". O Box 1450 Alexandria VA 22313-1450 tel: (571) 272-5600 fax: (571) 273-0110 email: [email protected] of PTMT pages at the USPTO Web Site: PTMT files available for download at : Is there a question about what the USPTO can or cannot do that you cannot find an answer for?Send questions about USPTO programs and services to the USPTO Contact Center(UCC). Patent and Trademark Office (USPTO) has a website where this information is available, and you can examine copies of documents that used to be available only in Washington or at a few large regional libraries.