My patent specification has around 20 chapters and each chapter has multiple drawings.
My drawings are numbered like this. FIG. 1A, FIG. 1B, FIG. 2A etc. i.e. If Chapter 2 has only 2 drawings, then the drawings will have numbers like FIG. 2A and FIG. 2B.
And I have numbered each unique feature like 202, 204 etc. This kind of numbering works fine when you don't have more than 50 unique features.
My chapter 6 has around 20 drawings and more than 50 unique features. So I would like to name the feature numbers like
Is this accepted or I have to follow some standard for diagram numbers?