Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G04B 45/04

Time pieces with invisible drive, e.g. with hands attached to a rotating glass disc

Introduced: September 1968

Title

Titles differ between systems:

IPC: Time-pieces with invisible drive, e.g. with hands attached to rotating glass disc

CPC: Time pieces with invisible drive, e.g. with hands attached to a rotating glass disc

Full Title

Full titles differ between systems:

IPC:

Time-pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effect > Time-pieces with invisible drive, e.g. with hands attached to rotating glass disc

CPC:

Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects (ornamental shaping of dials G04B19/10 ) > Time pieces with invisible drive, e.g. with hands attached to a rotating glass disc

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open