B - Operations – Transporting – 43 – L
Patent
B - Operations, Transporting
43
L
B43L 21/02 (2006.01) B43L 21/04 (2006.01)
Patent
CA 2556838
The microfiber chalkboard eraser has a central core fully covered by a microfiber cleaning sheet with a finger holder cap covered on its top. The microfiber cleaning sheet cleans the chalkboard cleaner and reduces the air borne chalk dust compared to commonly used chalkboard erasers. The microfiber cleaning sheet has two sides that can be configured to form four cleaning surfaces, and can be washed or replaced when the two sides are soiled with chalk dust. Additionally, the finger holder cap can keep a user's hands free from chalk dust.
Deng Jianbo
Mccarthy Tetrault Llp
LandOfFree
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