B43K21/20 - CPC Classification Index

ClassID:

59504 ⎘

B43K21/20 - CPC Classification

Classification description:

Propelling pencils; Writing-core feeding mechanisms with stepwise feed of writing-cores with writing-cores automatically replaced from magazines

Recent Application in this class:

20190375230

MECHANICAL PENCIL

20190054756

Mechanical pencil

20160375715

Writing utensil with retract piece

20150063893

Writing instrument or applicator having resin molded parts