B43L13/16 - CPC Classification Index

ClassID:

59695 ⎘

B43L13/16 - CPC Classification

Classification description:

Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for; Devices for drawing in perspective free-hand

Sub-classes:

B43L13/18 » having optical or projecting equipment 7

Recent Application in this class:

20090211104

System and method for creating purportionately accurate figures

20080138789

Reusable Device For Creating A Model Or Reproducing A Subject Manually

20060265888

Composition transfer proportional drawing grids

20050204575

Right perspective drawing tool