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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G04B 5/20

by movements of other objects, e.g. by opening a hand-bag, by opening a case, by opening a door; Winding up by wind power

Introduced: September 1968

Title

Titles differ between systems:

IPC: by movements of other objects, e.g. by opening hand-bag, by opening case, by opening door; Winding-up by wind power

CPC: by movements of other objects, e.g. by opening a hand-bag, by opening a case, by opening a door; Winding up by wind power

Full Title

Full titles differ between systems:

IPC:

Automatic winding-up > by movements of other objects, e.g. by opening hand-bag, by opening case, by opening door; Winding-up by wind power

CPC:

Automatic winding up > by movements of other objects, e.g. by opening a hand-bag, by opening a case, by opening a door; Winding up by wind power

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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