https://completemarkets.com/company/CompleteMarkets/Articles/content-package/IMMS-Library/TabCategory/article-post/1511/BASIC-FACTS-ABOUT-REGISTERING-A-TRADEMARK-PART-3/
... establishes certain presumptions of rights as of the filing date, the application may not be amended later to add any products or services not within the scope of the identification. For example, the identification of clothing' could be amended to shirts and jackets, ' which narrows the scope, but could not be amended to retail clothing store services, ' which would change the scope. Similarly, physical therapy services' can't be changed to medical services, ' because this would broaden the scope of the identification. Also, if the identification includes a trade channel limitation, deleting that limitation would broaden the scope of the identification. The identification of goods and services must not describe the mode of the mark's use, such as on labels, stationery, menus, signs, containers, or advertising. ... address, goods and services specified in the application, and (in applications based on use in commerce) the date of first use of the mark and the date of first use of the mark in commerce. This heading should be typewritten. If the drawing is in special form, the heading should include a description of the mark's essential elements. The drawing of the mark should appear at the center of the page. It may be typewritten or appear in special form. If the mark includes words, numbers or letters, the applicant can usually elect to submit either a typewritten or a special-form drawing. To register a mark consisting only of words, letters, or numbers, without indicating any particular style, or design, provide a typewritten drawing. In the typewritten drawing, the mark ...