TREA

Split nibs

Follow

Industry

  • CPC
  • B43K1/02
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K1/00Nibs Writing-points

Current Industry

B43K1/02Split nibs
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Nib for a calligraphic dip pen
    • Patent number 10,414,200
    • Issue date Sep 17, 2019
    • Alan Jay Ariail
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Left handed fountain pen
    • Patent number 10,336,128
    • Issue date Jul 2, 2019
    • Michael S. Medhin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Stylographic pen with precious material
    • Patent number 9,421,813
    • Issue date Aug 23, 2016
    • DELTA S.R.L.
    • Gennaro Marino
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Conical nib and writing instrument using the same
    • Patent number 9,233,573
    • Issue date Jan 12, 2016
    • Shizuo Yamanaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument and ink cartridge unit
    • Patent number 9,199,507
    • Issue date Dec 1, 2015
    • Europe Brands S.à.r.l.
    • Leighton Davies-Smith
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing utensil
    • Patent number 8,915,665
    • Issue date Dec 23, 2014
    • Eliahou Gozlan
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Conical nib, method of manufacture of the same, and ceramic composi...
    • Patent number 6,652,177
    • Issue date Nov 25, 2003
    • Nobuhiko Shimada
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Penpoint
    • Patent number 5,957,610
    • Issue date Sep 28, 1999
    • Shizuo Yamanaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Dynamic feather dip pen
    • Patent number 5,954,444
    • Issue date Sep 21, 1999
    • Kenneth C Albright
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Penpoint assembly and writing instrument employing the same
    • Patent number 5,290,117
    • Issue date Mar 1, 1994
    • Pilot Ink Co., Ltd.
    • Takehiko Yokosuka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multiangular pen
    • Patent number 5,015,113
    • Issue date May 14, 1991
    • Shizuo Yamanaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multiangular pen
    • Patent number 4,986,684
    • Issue date Jan 22, 1991
    • Shizuo Yamanaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multiangular pen
    • Patent number 4,986,686
    • Issue date Jan 22, 1991
    • Shizuo Yamanaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Penpoint assembly and writing instrument employing the same
    • Patent number 4,968,169
    • Issue date Nov 6, 1990
    • Pilot Ink Co., Ltd.
    • Takehiko Yokosuka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen point with lips extending over slit
    • Patent number 4,474,487
    • Issue date Oct 2, 1984
    • S. T. Dupont
    • Jean G. Malamoud
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Fountain pen with specific tubular nib
    • Patent number 4,269,528
    • Issue date May 26, 1981
    • Pilot Man-Nen-Hitsu Kabushiki Kaisha
    • Takeo Oki
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Fountain pen
    • Patent number 3,957,379
    • Issue date May 18, 1976
    • The Parker Pen Company
    • Frederick R. Wittnebert
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3731366
    • Patent number 3,731,366
    • Issue date May 8, 1973
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3659954
    • Patent number 3,659,954
    • Issue date May 2, 1972
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3565542
    • Patent number 3,565,542
    • Issue date Feb 23, 1971
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3303826
    • Patent number 3,303,826
    • Issue date Feb 14, 1967
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3116720
    • Patent number 3,116,720
    • Issue date Jan 7, 1964
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2729197
    • Patent number 2,729,197
    • Issue date Jan 3, 1956
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2598171
    • Patent number 2,598,171
    • Issue date May 27, 1952
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2564314
    • Patent number 2,564,314
    • Issue date Aug 14, 1951
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2464763
    • Patent number 2,464,763
    • Issue date Mar 15, 1949
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2432012
    • Patent number 2,432,012
    • Issue date Dec 2, 1947
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2367540
    • Patent number 2,367,540
    • Issue date Jan 16, 1945
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2367539
    • Patent number 2,367,539
    • Issue date Jan 16, 1945
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2324008
    • Patent number 2,324,008
    • Issue date Jul 13, 1943
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    Omnibearing Writable Fountain Pen
    • Publication number 20190061411
    • Publication date Feb 28, 2019
    • Yee-Shang LAI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Left Handed Fountain Pen
    • Publication number 20180201047
    • Publication date Jul 19, 2018
    • Michael S. Medhin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    STYLOGRAPHIC PEN WITH PRECIOUS MATERIAL
    • Publication number 20150071694
    • Publication date Mar 12, 2015
    • DELTA S.R.L.
    • Gennaro Marino
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    TWO SIDE WRITING FOUNTAIN PEN
    • Publication number 20130322953
    • Publication date Dec 5, 2013
    • Yee-Shang LAI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Conical Nib and Writing Instrument Using the Same
    • Publication number 20130156488
    • Publication date Jun 20, 2013
    • Shizuo Yamanaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT AND INK CARTRIDGE UNIT
    • Publication number 20130064597
    • Publication date Mar 14, 2013
    • EUROPE BRANDS S.A.R.L.
    • Leighton Davies-Smith
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING UTENSIL
    • Publication number 20120148333
    • Publication date Jun 14, 2012
    • Gabriel MEGARA
    • Eliahou GOZLAN
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Conical nib, method of manufacture of the same, and ceramic composi...
    • Publication number 20030152415
    • Publication date Aug 14, 2003
    • Kazue Yamanaka
    • Nobuhiko Shimada
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES