Express Mail Mailing Label
Definition:
Patent correspondence delivered to the USPTO via the "Express Mail Post Office to Addressee" service of the USPS which is considered filed in the Office on the date of deposit with the USPS.
Restriction
Definition:
If two or more independent and distinct inventions are claimed in a single application, the examiner may require the applicant to elect (designate) a single invention to which the claims will be restricted.
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