Membership
Tour
Register
Log in
Propelling pencils
Follow
Industry
CPC
B43K21/00
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B43
Writing accessories
B43K
IMPLEMENTS FOR WRITING OR DRAWING
Current Industry
B43K21/00
Propelling pencils
Sub Industries
B43K21/003
with lead sections or lead cartridges
B43K21/006
Pencil-barrels
B43K21/02
Writing-core feeding mechanisms
B43K21/027
with sliding tubelike writing-core guide
B43K21/033
with automatic feed by pressure during use of pencil
B43K21/04
with the writing-cores brought into position by gravity
B43K21/045
with writing-cores automatically replaced from magazines
B43K21/06
with the writing-cores fed by means sliding in longitudinally-slotted casings
B43K21/08
with the writing-cores fed by screws
B43K21/085
with a threaded propelling shank
B43K21/10
with separate writing-core remnants ejecting-bar
B43K21/12
with means preventing over-winding
B43K21/14
with writing-cores automatically replaced from magazines
B43K21/16
with stepwise feed of writing-cores
B43K21/18
having ratchet means
B43K21/20
with writing-cores automatically replaced from magazines
B43K21/22
Writing-core gripping means
B43K21/24
Assembling, finishing, or repairing propelling pencils
B43K21/26
Automatic machines
Industries
Overview
Organizations
People
Information
Impact
Please log in for detailed analytics