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• The patent fees due at 4, 8 and 12 years needed to keep a U. S. utility or plant patent in force for its full life.

  University of North Texas - Cite This Source - This Definition
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  Cite Definition for maintenance

  American Psychological Association (APA)

  maintenance. (n.d.). Glossary of Patent Legal Terms. Retrieved March 27, 2023, from website: http://www.expertglossary.com/definition/maintenance.

  Chicago Manual of Style (CMS)

  maintenance. research.hsc.unt.edu. Glossary of Patent Legal Terms. University of North Texas. http://www.expertglossary.com/definition/maintenance (accessed: March 27, 2023).

  Modern Language Association (MLA)

  "maintenance." Glossary of Patent Legal Terms. University of North Texas. 27 March. 2023 http://www.expertglossary.com/definition/maintenance.

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