37 C.F.R. § 6.3 Schedule for certification marks.
Title 37 - Patents, Trademarks, and Copyrights
In the case of certification marks, all goods and services are classified in two classes as follows:
A. Goods. B. Services. [24 FR 10383, Dec. 22, 1959. Redesignated at 38 FR 14681, June 4, 1973]
Title 37: Patents, Trademarks, and Copyrights
PART 6—CLASSIFICATION OF GOODS AND SERVICES UNDER THE TRADEMARK ACT
§ 6.3 Schedule for certification marks.
