Patents
Patents for B43K 19 - Non-propelling pencils; Styles; Crayons; Chalks (2,388)
11/1989
11/08/1989CN2047226U No-cutting self-grinding paper-rolled pencil
11/01/1989CN2046810U Film enveloped chalk
10/1989
10/18/1989CN1036421A Articles for writing
09/1989
09/06/1989CN2043919U 简易铅笔 Simple pencil
09/06/1989CN2043918U Pencil made by winding paper
08/1989
08/02/1989EP0325923A2 Process for enclosing a pencil, lead and pencil lead obtained by this process
08/01/1989US4853167 Method for making lead pencils and colored pencils
06/1989
06/07/1989CN2038842U Chalk propelling writing pen
05/1989
05/24/1989CN1033015A Milling process of leads for colored pencil
05/10/1989CN2037319U Colour wax crayon with printing function
04/1989
04/26/1989CN2036488U 构件式铅笔 Component-pencil
03/1989
03/08/1989EP0305793A1 Pencil-manufacturing process and apparatus
02/1989
02/15/1989EP0303058A2 Method and device for producing fillings for cosmetic sticks and the like
01/1989
01/11/1989EP0298705A2 Fragrance releasing crayons
12/1988
12/14/1988CN87103940A Longevity no-dust chalk
12/07/1988CN88212026U Gapless chalk mould
11/1988
11/23/1988CN88210326U 自动粉笔 Automatic chalk
11/09/1988CN88210806U Pencil with graduated scale
09/1988
09/14/1988CN87101746A Material of pencil-holder and production method of pencil
09/07/1988EP0281072A2 Method of making lead and coloured pencils
09/06/1988US4768987 Toy automobile having a body formed by a composition for writing
08/1988
08/24/1988CN86207783U Paper-holder pencil
07/1988
07/19/1988US4758540 Method for the production of pencil leads and pencil leads produced by the method
07/13/1988CN87215898U Pencil with spiral core
06/1988
06/22/1988CN87211702U Chalk ruling instrument
06/21/1988US4752146 Coloring crayons
05/1988
05/17/1988US4744329 Hardened by falling freely through streams of accelerated electrons
03/1988
03/16/1988EP0259712A2 Method for the manufacture of pencil leads, and pencil leads made by this method
03/09/1988CN87210238U Bell and spigot joint pencil
03/09/1988CN87104175A Pencil board-softening process
01/1988
01/27/1988CN87208249U Special-shaped cylindrical powdered drawing chalk
01/06/1988CN87206917U Double-color ball pen for garments cutting out
11/1987
11/18/1987CN86205003U Square lead pencil needless to sharpen
10/1987
10/07/1987CN86209702U Pen with chalk core
09/1987
09/30/1987CN86101896A Drafting pencils with color stripe lead-hardness identification
09/17/1987DE3608561A1 Method and apparatus for producing chalk with two different coloured parts
09/12/1987CN86205384U Deepen drawing pencil
08/1987
08/19/1987CN86210076U Chalk with coating
08/19/1987CN86208890U Chalk with shell
07/1987
07/29/1987CN85202664U Children's pencil
06/1987
06/03/1987CN86204320U Chalk with membrane
05/1987
05/13/1987CN86207837U Chalk with protective coating
04/1987
04/29/1987EP0219753A1 Powder stick
04/01/1987CN86204397U Pencil with solid up end
03/1987
03/11/1987CN85106708A Formulation of powderless chalk
03/04/1987CN85106172A Magnetic chalk and chalk eraser
02/1987
02/12/1987DE3527778A1 Supporting frame for accommodating pens and/or pencils
12/1986
12/24/1986CN86204466U Inserting pencil
12/24/1986CN85202843U 绘图铅笔 Pencil drawing
12/03/1986CN85104303A Finger-cot pen
11/1986
11/12/1986CN85103595A Minute dust raising chalk and its making method
10/1986
10/08/1986EP0196439A1 Article for writing, drawing, painting, marking, erasing or modelling containing flavouring substances
10/08/1986CN86103372A Recipe and manufacturing process for making writing chalk giving very little dust
07/1986
07/29/1986US4602886 Multi-color marking implement
07/09/1986CN85100832A Undiscolor painting chalk after being sprayed with fixative liquor
05/1986
05/13/1986US4588317 Lead or pen marking device
05/10/1986CN85103372A Pilfer-proof plastic closure for containers
04/1986
04/23/1986CN85202096U Finger-sleeve pen
07/1985
07/10/1985EP0147905A2 Multi-color marking implements, and method and apparatus for their manufacture
05/1985
05/07/1985US4515492 Writing implement and kit
04/1985
04/16/1985CA1185563A1 Coloring crayons
04/09/1985US4509245 Apparatus for securing parts on elongated writing instruments, in particular for securing an eraser for a sheath receiving it on a pencil
12/1984
12/04/1984US4486110 Pencil for cosmetic purposes
01/1984
01/03/1984CA1159743A1 Cosmetic pencil
06/1982
06/15/1982US4334546 Cosmetic pencil
04/1982
04/20/1982CA1122078A1 Device and method for striping pencils
03/1982
03/31/1982EP0048571A2 Pencil lead, and methods and apparatus for its manufacture
03/17/1982EP0047573A2 Cosmetic pencil
11/1981
11/10/1981US4299187 Apparatus for striping pencils
07/1981
07/07/1981CA1104522A1 Style handle
06/1981
06/23/1981CA1103618A1 Cosmetic pencils
04/1981
04/21/1981US4263348 Extruding paint through apertures in passageway while moving pencil through
10/1980
10/28/1980US4230655 Pencils
06/1980
06/17/1980US4208143 Embossed seal marking device
05/1980
05/06/1980CA1076995A1 Writing instrument with flat resilient clip
02/1980
02/12/1980US4188009 Apparatus for molding crayons and the like
09/1979
09/11/1979CA1061975A1 Automated molding machine
05/1979
05/29/1979CA1055388A Apparatus for trimming an extrudate
11/1978
11/21/1978USRE29838 Apparatus for cutting a continuous element of indeterminate length into predetermined lengths
04/1978
04/04/1978US4082491 Automated molding machine
12/1977
12/20/1977US4063828 Plastic pencils
11/1977
11/08/1977US4057456 Apparatus for trimming an extrudate
04/1977
04/26/1977US4019822 Pencils not requiring sharpening
11/1976
11/23/1976US3993408 Pencil comprising a marking core and a porous resin sheath
09/1976
09/28/1976US3983195 Pencil sheath compositions, method for making pencils
05/1976
05/18/1976US3957408 Automated molding machine
05/04/1976US3954364 Method and apparatus for forming boards from particles
02/1976
02/03/1976US3936519 Method of extruding foamed plastic sheathed pencils
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