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    Writing instrument
    1.
    外观设计
    Writing instrument 有权

    公开(公告)号：USD1023147S1

    公开(公告)日：2024-04-16

    申请号：US29749004

    申请日：2020-09-02

    申请人： Sanford L.P.

    设计人： Jason Cardani ,  Paul Martus ,  Melanie Kregg ,  Kyle Cauwels

    摘要： FIG. 1 is a upper perspective view showing our new design for a writing instrument;
    FIG. 2 is a first side view showing the design of FIG. 1;
    FIG. 3 is a second side view showing the design of FIG. 1;
    FIG. 4 is a third side view showing the design of FIG. 1;
    FIG. 5 is a fourth side view showing the design of FIG. 1;
    FIG. 6 is a top view showing the design of FIG. 1;
    FIG. 7 is a bottom view showing the design of FIG. 1; and,
    FIG. 8 is a side view showing the design of FIG. 1 in an alternate configuration.
    In FIGS. 1-8, the broken lines illustrate portions of the writing instrument that do not form a part of the claimed design.

    WRITING NIB ASSEMBLIES AND WRITING INSTRUMENTS
    3.
    发明公开
    WRITING NIB ASSEMBLIES AND WRITING INSTRUMENTS 审中-公开

    公开(公告)号：US20230339255A1

    公开(公告)日：2023-10-26

    申请号：US17763417

    申请日：2020-09-29

    申请人： Sanford L.P.

    发明人： Helena B. HARRISON ,  Wing Sum Vincent KWAN

    IPC分类号： B43K8/06 ,  B43K1/12 ,  C09D11/17

    CPC分类号： B43K8/06 ,  B43K1/12 ,  C09D11/17

    摘要： Writing nib assemblies and associated writing instruments are provided herein. Writing instruments are provided including a barrel having a barrel first end and an oppositely disposed barrel second end, an ink reservoir disposed within the barrel and containing an ink composition, a feeder rod disposed within the barrel and in fluid communication with the ink reservoir, a writing nib assembly disposed at least partially within the barrel and in fluid communication with the feeder rod, and a writing nib adapter disposed at least partially within the barrel and at least partially surrounding the writing nib assembly, wherein the writing nib adapter comprises at least one slot extending from an outer surface of the writing nib adapter to the inner surface of the writing nib adapter the slot being configured to allow for the passage of gas therethrough.

    MARKING COMPOSITIONS
    4.
    发明申请
    MARKING COMPOSITIONS 有权

    公开(公告)号：US20220372312A1

    公开(公告)日：2022-11-24

    申请号：US17739840

    申请日：2022-05-09

    申请人： Sanford L.P.

    发明人： Vincent Kwan ,  Jiandong Zhu ,  Roni Prater ,  Jennifer Kroon ,  Suchithra Pulikandla ,  Deepthi V. Muraleedharan

    IPC分类号： C09D11/17 ,  C09D11/50

    摘要： A marking composition may include an aqueous carrier and thermochromic capsules. The thermochromic capsules may include a leuco dye, an activator, and a temperature regulator. The thermochromic capsules may have a volume average size effective to resist temperature-mediated discoloration at a temperature of at least up to 40° C. by dissipating heat. In some embodiments, the marking composition marks a substrate with a substantially erasable mark, for example, in response to frictional contact with an eraser.

    Writing instruments and associated methods
    7.
    发明授权
    Writing instruments and associated methods 有权

    公开(公告)号：US11110738B2

    公开(公告)日：2021-09-07

    申请号：US16647928

    申请日：2018-09-20

    申请人： Sanford, L.P.

    发明人： Bret Ryan Marschand ,  Wing Sum Vincent Kwan

    IPC分类号： B43K8/06 ,  B43K1/12 ,  B43K8/02 ,  B43K8/03

    摘要： Embodiments of the disclosure can include writing instruments, nibs for writing instruments, and methods of making the same. In one embodiment, the writing instrument includes a reservoir; an ink solution comprising a pigment, the ink solution being housed within the reservoir; a nib disposed at an end of the reservoir and plugging an opening of the reservoir such that the reservoir is closed, wherein a tip of the nib extends outside of the reservoir; and a filament extending within the reservoir, the filament being in fluid communication with a portion of the nib within the reservoir, such that the ink solution travels along the filament and through the nib, by capillary action, wherein the nib and filament are formed such that no more than 50 percent of the pigment present in the nib and filament flow into the reservoir outside of the nib and filament when the writing instrument is stored with the nib up for a period of one day.