IPC Subgroup
A47L 25/04 for door-knobs
Introduced: September 1968
Last revised: January 2006
Full Title
Domestic cleaning devices not provided for in other groups of this subclass > for door-knobs
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- Subclass:
- DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
Related Keywords
cleaning of door KNOBS; guards therefor