USPTO was established in 1790.
7,000,000 according to USPTO
The United States Patent and Trademark Office (PTO or USPTO) is an agency in the United States Department of Commerce that issues patents to inventors and businesses for their inventions, and trademark registration for product and intellectual property identification.
No; there is no record for that phrase in the USPTO database.
No. Actually, the superscript TM is for designating trademarks in the US that have not yet been registered with the USPTO. If/when you get the trademark registered with the USPTO, you would use the ® instead.
It is not in the USPTO primary registry, but may still be protected by common law.
It would more likely be a trademark, but there is no record for it in USPTO's Trademark Electronic Search System.
The form below may be of help.
the United States Patent & Trademark Organization (USPTO)
The uspto has a comprehensive website that provides the proper forms to use in submitting your request. Instructions are provided to facilitate the process and your application can be tracked through the process.
In the United States, only the United States Patent & Trademark Office. In other nations, the appropriate national counterpart of the USPTO.
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There are plenty of steps someone would have to follow to register a trademark. As there are too many to name here, one could check out the website USPTO.