utility patent drawings is very strict rules. The utility patent drawings should  need to prepared in the correct scale ensuring the numbers, lines, and letter is sufficient that shows the drawing uniformly thick and well defined. It depends on the invention that shows the chemical and mathematical formula and symbols can also be used.

Placing the invention in it’s right direction and environment can make it more easily and understandable, and the utility patent drawings themselves can be made in such a way that helps to readers to be better understood to the invention. Elevated views, sectional views, isometric projection and perspective views and can be used as well.

The more difficult and hard invention can be defined, with the help of draft person’s suggestions for making a more valuable for improving the drawing and presentable the invention very clearly and easily. If the drawings created before the patent application is completed, the applicant has a more time to give the best description in the sequence of utility patent drawings.