B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
 B01 - 
B07
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION
Method
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/LIQUID OR SOLID/GAS SEPARATION
Method
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/SOLID SEPARATION
Method
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB07B
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
Apparatus
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB04B, B04C
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
  
PRINTING
 B43
WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
 B43K
IMPLEMENTS FOR WRITING OR DRAWING (containers, casings or accessories for cosmetic substances, e.g. shaving soap, lipstick, make-up, A45D 34/00, A45D 40/00)
 B43K

Note(s)

In this subclass, the following expression is used with the meaning indicated:  [6]

  • "writing implements" covers pens, pencils, crayons, chalks or like markers for writing or drawing.  [6]

 B43K
Subclass index
IMPLEMENTS WITH CORES
Without mechanisms 19/00
With mechanisms 21/00
Accessories 23/00, 25/00
IMPLEMENTS USING INK
Without reservoir 3/00
With reservoir 5/00, 7/00, 8/00
Nibs; filling devices; caps 1/00, 17/00; 11/00; 23/00
Manufacture, maintenance 13/00, 15/00
SELECTING, PROJECTING, RETRACTING OR LOCKING WRITING UNITS 24/00
MULTIPLE-POINT WRITING IMPLEMENTS 27/00
COMBINATIONS
Of writing implements with other articles 29/00, 31/00

 B43L
ARTICLES FOR WRITING OR DRAWING UPON; ACCESSORIES FOR WRITING OR DRAWING (workshop equipment for marking-out work B25H 7/00; teaching hand-writing or drawing G09B 11/00)
 B43L

Note(s)

This subclass does not cover devices used for both teaching and facilitating writing or drawing, which are covered by group G09B 11/00.  [3]

 B43L
Subclass index
ARTICLES FOR WRITING OR DRAWING UPON
Boards or tablets 1/00
Underlays 3/00
Drawing-boards 5/00
AIDS FOR DRAWING
Straight lines 7/00
Circles 9/00
Other curves 11/00
Means to prevent slippage 12/00
Other figures 13/00
ATTACHMENT TO HANDS OR ARMS 15/00
BLOTTERS 17/00
ACCESSORIES FOR
Rubbing or erasing 19/00
Cleaning blackboards or slates 21/00
Sharpening pencils or leads 23/00
INK RECEPTACLES; INK STANDS 25/00; 27/00

 B43M
BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR (stapling devices B25C, B27F; devices for temporarily attaching sheets together B42F; adhesive tape dispensers B65H 35/06)
 B43M
Subclass index
FIXING SEALS; INSERTING DOCUMENTS INTO, CLOSING, OR OPENING, ENVELOPES 1/00; 3/00, 5/00, 7/00
PAPER-WEIGHTS; DEVICES FOR APPLYING LIQUIDS; STAMP DISPENSERS; DRAWING-PINS OR THUMB-TACKS; OTHER ACCESSORIES 9/00; 11/00; 13/00; 15/00; 17/00