Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
G04B 21/04

Hour wheels; Racks or rakes; Snails or similar control mechanisms

Full Title

Indicating the time by acoustic means (at preselected times G04B23/00; by electro-acoustic means G04C21/04; ) > Regular striking mechanisms giving the full hour, half hour or quarter hour > Hour wheels; Racks or rakes; Snails or similar control mechanisms