PROCEEDINGS IN THE PATENT AND TRADEMARK OFFICE
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united states code
TITLE 35 - US CODE - CHAPTER 2 - PROCEEDINGS IN THE PATENT AND TRADEMARK OFFICE
35 USC 21 - Filing date and day for taking action
35 USC 22 - Printing of papers filed
35 USC 23 - Testimony in Patent and Trademark Office cases
35 USC 24 - Subpoenas, witnesses
35 USC 25 - Declaration in lieu of oath
35 USC 26 - Effect of defective execution
‹ 35 USC 14 - Renumbered 13]
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35 USC 21 - Filing date and day for taking action ›
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