There are 2 names in this directory beginning with the letter F.
The folder into which papers for a particular application are collected and maintained. It contains a complete record of proceedings in the USPTO from the filing of the initial patent application to the issued patent. The file wrapper of a patent application that is maintained by the Office is the "official record." More
The filing date of a patent application is the date the patent application was filed in one or more patent offices, i.e. the date on which that application is legally accepted at the patent office. That date is typically the date on which the documents are deposited at the office, but may be later if there are defects in the documents. More
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