Guidelines for Examination
PART A
CHAPTER X DRAWINGS
7. Executing of drawings
7.5 Numbers, letters and reference signs
7.5.3 Height of the numbers and letters in the drawings
 

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PART A
CHAPTER X DRAWINGSCHAPTER X DRAWINGS
7. Executing of drawings7. Executing of drawings
7.5 Numbers, letters and reference signs7.5 Numbers, letters and reference signs
  7.5.2 Arrows7.5.2 Arrows     7.5.4 Consistent use of reference signs as between description, claims and drawings7.5.4 Consistent use of reference signs as between description, claims and drawings  
 

7.5.3

Height of the numbers and letters in the drawings

 

Under Rule 32(2)(g), a minimum size of 0.32 cm is required for all numbers and letters used on the drawings so that their reduction in size to two-thirds remains easily legible.

 

Rule 32(2)(g)



The Latin alphabet should normally be used for letters. The Greek alphabet is to be accepted however where it is customarily used, e.g. to indicate angles, wavelengths, etc.