A
SECTION A — HUMAN NECESSITIES
  
AGRICULTURE
 A01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  
FOODSTUFFS; TOBACCO
 A21
BAKING; EDIBLE DOUGHS
 A21

Note(s)

Inventions relating to processes using enzymes or micro-organisms in order to:

  1. liberate, separate or purify a pre-existing compound or composition, or to
  2. treat textiles or clean solid surfaces of materials
are further classified in subclass C12S. [5]

 A22
BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
 A23
FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
 A23

Note(s)

  1. Attention is drawn to the following places:
    C08BPolysaccharides, derivatives thereof 
    C11Animal or vegetable oils, fats, fatty substances or waxes 
    C12Biochemistry, beer, spirits, wine, vinegar 
    C13Sugar industry.  [4] 
  2. Inventions relating to processes using enzymes or micro-organisms in order to:
    1. liberate, separate or purify a pre-existing compound or composition, or to
    2. treat textiles or clean solid surfaces of materials
    are further classified in subclass C12S. [5]
 A24
TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
  
PERSONAL OR DOMESTIC ARTICLES
 A41
WEARING APPAREL
 A42
HEADWEAR
 A43
FOOTWEAR
 A44
HABERDASHERY; JEWELLERY
 A45
HAND OR TRAVELLING ARTICLES
 A46
BRUSHWARE
 A47
FURNITURE (arrangements of seats for, or adaptation of seats to, vehicles B60N); DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL (ladders E06C)
 A47

Note(s)

In this class, the following term is used with the meaning indicated:

  • "furniture" covers also easels or stands, e.g. for blackboards or drawing tables.

  
HEALTH; AMUSEMENT
 A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
 A62
LIFE-SAVING; FIRE-FIGHTING (ladders E06C)
 A63
SPORTS; GAMES; AMUSEMENTS