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 DEPOSITED BY THE UNITED STATES OF AMERICA Contents All communications to be addressed to the Commissioner of Business to be transacted in writing.. Business to be conducted with decorum and courtesy. Identification of application, patent, or registration__ Receipt of letters and papers - 1.7 Times for taking action; expiration on Saturday, Sunday, or Representation by Attorneys and Agents 2.11 Applicants may be represented by an attorney. Persons who may practice before the Patent Office in trademark Amendment to change application to different register_-- |