B26B 21/20 involving blades with more than two cutting edges; involving disc blades (B26B21/22 - B26B21/38 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: involving blades with more than two cutting edges; involving disc blades
CPC: involving blades with more than two cutting edges; involving disc blades (B26B21/22 - B26B21/38 take precedence)
Full Title
Full titles differ between systems:
Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor > involving changeable blades > Safety razors with one or more blades arranged transversely to the handle > involving blades with more than two cutting edges; involving disc blades
Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor > involving changeable blades > Safety razors with one or more blades arranged transversely to the handle > involving blades with more than two cutting edges; involving disc blades (B26B21/22 - B26B21/38 take precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.