35 USC 21
§ 21 - Filing date and day for taking action
- § 21 - Filing date and day for taking action
- CHAPTER 2— PROCEEDINGS IN THE PATENT AND TRADEMARK OFFICE
- Notes
- Historical and Revision Notes
- Editorial Notes
- Amendments
- Statutory Notes and Related Subsidiaries
- Effective Date of 1999 Amendment
- Effective Date of 1982 Amendment
- Effective Date of 1975 Amendment
- Emergency Relief From Postal Situation Affecting Patent Cases
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