F 50 - Pattern:

Enter in this box an existing number or span of numbers that is being used to justify the new proposal. If no pattern is being cited, enter None. Cite as patterns only developments that are identical or similar to the new proposal in (1) terminology of the caption(s) and (2) location of the caption(s) in relation to surrounding lines. For developments in classes D, H, Q, and R that follow the models for those schedules (see F 195 ), enter D model [H model, etc.]