IPC Main Group
A47C 23/00 Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- Subclass:
- CHAIRS; SOFAS; BEDS
Related Keywords
COUCH(ES) for mattressesDIVAN(S) bases for mattressesMATTRESSES for beds, chairs or sofasSETTEE(S) bases for mattressesSOFA(S) bases for mattressesSPRING(S) mattresses
6 direct subcodes
Child Classifications
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- A47C 23/02 using leaf springs, e.g. metal strips
- A47C 23/04 using springs in compression, e.g. coiled
- A47C 23/06 using wooden springs, e.g. of slat type
- A47C 23/12 using tensioned springs, e.g. of flat type
- A47C 23/3 using combinations of springs covered by more than one of the groups; Frames therefor
- A47C 23/34 with provisions for giving extra support for the head or the legs
Top Applicants
Top 10 applicants by patent filingsfor class A47, 2013–2023, worldwide · Source: EPO PATSTAT
- ZHEJIANG SUPOR 13,571
- MIDEA 10,855
- JOYOUNG COMPANY 10,106
- FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING COMPANY 9,846
- LG ELECTRONICS KR 7,657
- GREE ELECTRIC APPLIANCES 4,805
- GUANGDONG MIDEA ELECTRICAL APPLIANCE COMPANY 4,508
- NINGBO FOTILE KITCHENWARE COMPANY 4,300
- HAIER SMART HOME 3,964
- BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,910