F-Term-List

B43L7/00-7/14

AA00
STRAIGHTEDGE FORMS

AA01

AA02

AA03

AA04

AA05

AA07

AA08

AA09

AA10

. Rulers

. Square straightedges

. Triangular straightedges

. T-squares

. . Connected movable elements

. L-shaped right-angle straightedges

. Cross-shaped straightedges

. Squared columnar straightedges and pyramidal straightedges

. Circular rulers

AB00
STRAIGHTEDGE STRUCTURES AND MANUFACTURING METHODS

AB01

AB02

AB03

AB04

AB05

AB07

AB08

AB09

. Combination straightedges (i.e., straightedges with a companion arrangement)

. . Rotating arrangements

. . Folding arrangements

. . Extending arrangements

. . Linking arrangements

. Components for mounting drawing instruments

. Rollers

. Movement-indication members such as cursors

AB11

AB12

AB14

AB15

AB16

AB17

AB18

AB19

. Anti-slip means

. . Magnetic variants

. Spacing means

. Paper pick-up facilitators (i.e., excluding raised sides)

. Raised sides (i.e., including pressing means)

. Multiple small holes

. Retaining holes for compass legs

. Grooves for line-drawing

AB21

AB22

AB23

AB30

. Surface-strengthening treatments

. Flexible structures

. Prevention of extension or bending

. Manufacturing methods

AC00
EDGE SURFACES

AC01

AC02

AC04

AC05

AC07

AC08

AC10

. Prevention of ink dripping and smearing

. . Undercuts

. V-shaped notches or projections

. Projections for stopping line-drawing devices

. Strengthening of edge surfaces

. Means for brightening edge surfaces

. Others

AD00
STRAIGHTEDGE SCALES

AD01

AD02

AD03

AD05

AD06

AD07

AD08

AD09

AD10

. Multiple scales

. . Changeable scales

. . . Exchanging of scaled surfaces

. Reduced scales and enlarged scales

. Vernier scales

. Coloration of scale markings

. . Liquid-crystal coloration

. . Parquet coloration

. Embedded scale markings

AD11

AD12

AD13

AD14

AD15

AD17

AD18

AD19

AD20

. Scales in inches

. Angular scales

. Scales in percentages

. Square root and trigonometric scales

. Logarithmic and proportional scales

. Scales in "Shaku" (i.e., Japanese feet)

. Cross-sectional scale markings

. Slope-gradient scales

. Other scales or variants characterized by scale markings

AE00
STRAIGHTEDGES CATEGORIZED BY LINE-DRAWING APPLICATIONS

AE01

AE02

AE03

AE05

AE06

. Parallel lines (i.e., excluding T-squares)

. . Drawing by multiple parallel grooves

. . . Cross-hatching

. Broken or connecting lines

. Radiating lines

AF00
STRAIGHTEDGES FOR SPECIFIC DRAWINGS

AF01

AF02

AF04

AF05

AF06

. Polygons (i.e., forms with 5 angles or more)

. . Equilateral polygons

. Three-dimensional, strabismal, or translucent drawings

. Drawings with shadows

. Pie charts

AG00
STRAIGHTEDGES FOR SPECIALIZED USES OR TECHNICAL FIELDS

AG01

AG02

AG04

AG05

AG06

AG07

AG08

AG10

. Division

. . Subdivision of circles

. Trimming

. Reading of various data

. Processing of steel materials

. Processing of wood materials

. Sewing

. Others

AH00
STRAIGHTEDGES COMBINED WITH OTHER INSTRUMENTS

AH01

AH02

AH03

AH04

AH05

AH06

AH07

AH08

AH10

. Protractors

. Templates

. Lenses or mirrors

. Knives, cutters, or scissors

. Calculating machines or electronic calculators

. Writing instruments

. Levels or horizontal levels

. Book markers, clips, or paper holders

. Other instruments

B43L23/00;23/08

BA00
SHARPENERS FOR PENCILS OR LEADS

BA01

BA02

BA03

BA04

BA07

BA08

. Pencil sharpeners using straight sharpening motions

. . Knives

. . . Folding arrangements

. Pencil sharpeners using parallel sharpening motions

. Two-way lead sharpeners

. Rotating lead sharpeners

BB00
CUTTING BLADES FOR PENCIL SHARPENERS

BB01

BB02

BB03

BB05

BB06

BB08

. Immobile blades

. . Mounted blades

. . . Frequent-use arrangements

. Movable blades

. . Axial rotation arrangements

. Specialized blades

BC00
PENCIL SHARPENER CHARACTERISTICS

BC01

BC02

BC03

BC05

BC06

BC08

BC09

BC10

. Installation of lead-grinding components

. Combination with other features

. External appearance made to resemble other articles

. Cutting items into special shapes

. . Oval shapes

. Adjustment of cutting angles

. Compensation for the pencil diameter

. Means of handling cutting waste

B43L1/04-1/12

CA00
KINDS OF BLACKBOARDS

CA01

CA02

CA04

CA05

. Normal blackboards (i.e., non-transferring)

. Blackboards with means to transfer or capture the writing

. Rigid blackboards

. Flexible blackboards

CB00
BLACKBOARD STRUCTURES, ACCESSORIES AND MANUFACTURING METHODS

CB01

CB02

CB03

CB04

CB05

CB06

CB07

CB08

CB09

CB10

. Arrangements for lateral movement

. Arrangements for raising and lowering

. Arrangements for opening and closing

. Rotating arrangements

. Blackboards with curved surfaces

. Variants characterized by the blackboard frame

. Variants characterized by the chalk holders or chalk dust catchers

. Variants characterized by means for mounting to other items

. Means for vacuuming chalk dust

. Means for erasing (i.e., excluding flexible blackboards)

CB11

CB12

CB13

CB14

CB15

CB17

CB18

CB19

CB20

. Display of lines, drawings, pictures, or data, and the like

. Magnetic blackboards

. Integral molding

. Exteriors made to resemble other articles

. Portability (i.e., including for construction purposes)

. Auxiliary and miniature blackboards

. Bulletin-board components using pins or thumbtacks

. Means of preventing glare or light reflection

. Means of changing the blackboard angle

CB21

CB22

CB23

CB24

CB25

CB26

CB28

CB30

. Members for holding writing instruments

. Straightedges or rulers

. Lifting apparatuses

. Paper rolls

. Illumination means

. Transparent sheets for preserving writing

. Manufacturing methods

. Others

CC00
COMBINATION OF BLACKBOARDS WITH OTHER ITEMS

CC01

CC02

CC03

CC04

CC05

CC06

CC10

. Screens

. Desks and tables

. Cupboards and lockers

. Buffers and partitions

. Letter files

. Calendars

. Others

CD00
BLACKBOARD SURFACE MATERIALS

CD01

CD02

CD04

CD05

CD07

CD09

CD10

. Synthetic resins

. . Photocuring

. Inorganic materials

. . Enamels

. Metals

. Transparent or translucent materials

. Luminous paint coatings

CE00
TREATMENTS OF THE BLACKBOARD SURFACE

CE01

CE02

CE04

CE06

. Smoothing treatments

. Roughening treatments

. Hardening treatments

. Bonding of sheet material for surface formation

DA00
WRITING-TRANSFER ARRANGEMENTS FOR TRANSFER BLACKBOARDS

DA01

DA03

DA05

. Optical arrangements

. Photoelectrical exchange arrangements

. Pressure-sensitive tablet arrangements

DB00
ADDITIONAL MECHANISMS FOR TRANSFERRING BLACKBOARDS

DB01

DB02

DB04

DB06

DB07

DB09

. Information-recording mechanisms

. . Means for re-displaying recorded information on the blackboard surface

. Remote communication mechanisms

. Manuscript-copying mechanisms

. . Means for displaying manuscript information on the blackboard

. Remote-control mechanisms

DC00
CHARACTERISTIC FEATURES OF TRANSFER BLACKBOARDS

DC01

DC02

DC04

DC06

DC08

DC09

DC10

. Structural elements

. . Elements for holding writing instruments

. Reading-mechanism components

. Components of the transfer printing mechanism

. Means for color copying

. Means for printing out management data

. Others

EA00
FLEXIBLE BLACKBOARD FORMS

EA01

EA02

EA03

. Sheet-roll arrangements

. Endless sheet arrangements

. Other arrangements

EB00
DRIVE MEANS AND MOVEMENT CONTROL FOR FLEXIBLE BLACKBOARDS

EB01

EB03

EB04

. Manual arrangements

. Electric-power arrangements

. . Arrangements equipped with a sheet-movement control mechanism

EC00
CHARACTERISTIC FEATURES OF FLEXIBLE BLACKBOARDS

EC01

EC03

EC05

EC07

. Erasing means

. Parallel line-drawing devices

. Blackboard backing

. Exchange of sheets

2C071	Drawing aids and blackboards
	B43L1/00 -12/02;15/00-27/04