Door frame
The door frame is shown with a symbolic break in its length. The appearance of any portion of the door frame between the jagged break lines forms no part of the claimed design.
Claims
The ornamental design for a door frame, as shown and described.
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Type: Grant
Filed: Oct 31, 2017
Date of Patent: Oct 1, 2019
Assignee: MANN MADE LTD. (Kitchener)
Inventor: Eric Mannhardt (Kitchener)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: L. Martinez
Application Number: 29/624,256