Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L5/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Repeatedly-usable boards or tablets for writing or drawing

CPC: Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L5/00)

Full titles differ between systems:

IPC:

Repeatedly-usable boards or tablets for writing or drawing

CPC:

Repeatedly-usable boards or tablets for writing or drawing (drawing-boards B43L5/00)

Of 6 combined children, 3 exist in both systems.

3 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

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B43L 1/002 CPC only CPC only
B43L 1/004 +1 CPC CPC only CPC only
B43L 1/008 CPC only CPC only
B43L 1/02 Slates IPC+CPC Available in IPC and CPC
B43L 1/04 Blackboards (; easels or stands for blackboards A47B97/04) +1 CPC IPC+CPC Available in IPC and CPC
B43L 1/12 having translucent writing surfaces producing visual impressions by co-operation with backing members +1 CPC IPC+CPC Available in IPC and CPC

Class B43,2013–2023, worldwide · Source: EPO PATSTAT

Class B43,2013–2023, worldwide · Source: EPO PATSTAT