U.S. DEPARTMENT OF COMMERCE Luther H. Hodges, Secretary PATENT OFFICE David L. Ladd, Commissioner For sale by the Superintendent of Documents, U.S. Government Printing Office Washington 25, D.C. - Price 45 cents Representation by Attorneys and Agents 2.11 Applicants may be represented by an attorney- Persons who may practice before the Patent Office in trademark Classification of goods and services_- Plurality of goods or services comprised in single class may be Allegation in application not evidence on behalf of applicant 40 |