The United States of America
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The United States of America
Department of Commerce - DOC
Department of Commerce, Agencies
USPTO - U.S. Patent & Trademark Office
USPTO - Patents
USPTO - Patent Proceedings
Step 1: Applicant - Has you invention already been patented?
Patent Preparation - Seven Step Strategy
3. Verify the relevancy of the class/subclasses
USPTO Classification Schedule
Attachments
United States Patent and Trademark Office
Parents
3. Verify the relevancy of the class/subclasses