| Patents for B43K 24 - Mechanisms for selecting, projecting, retracting or locking writing units (2,268) | |
|---|---|
| 07/2013 | |
| 07/31/2013 | CN203093427U Chalk clamping device |
| 07/31/2013 | CN203093419U Chalk sleeve convenient to use |
| 07/31/2013 | CN203093415U Dustproof chalk |
| 07/24/2013 | CN203077972U Bi-color twisting pen |
| 07/24/2013 | CN203077965U Multicolor chalk set capable of not sticking to dust |
| 07/24/2013 | CN203077963U Universal ball-point pen holder |
| 07/24/2013 | CN203077962U Multifunctional pen |
| 07/24/2013 | CN203077961U Chalk suit |
| 07/24/2013 | CN203077955U Easily adjusted chalk placing sleeve for teacher |
| 07/24/2013 | CN203077954U Chalk cover capable of rotating |
| 07/24/2013 | CN203077949U Multi-functional English examination answering tool |
| 07/24/2013 | CN203077946U Chalk sleeve |
| 07/17/2013 | CN203063388U Multifunctional automatic chalk |
| 07/17/2013 | CN203063367U Pen with posture correction function |
| 07/17/2013 | CN203063363U Retractable chalk cover |
| 07/17/2013 | CN203063358U Open-type propelling pencil with added pencil lead |
| 07/10/2013 | CN203046591U Multi-functional water color pen |
| 07/10/2013 | CN203046587U Pen and assembly thereof |
| 07/10/2013 | CN203046582U Chalk automatic popup sleeve for teachers |
| 07/10/2013 | CN203046580U Automatic dustproof chalk sleeve |
| 07/10/2013 | CN203046576U Chalk |
| 07/10/2013 | CN203046569U Retractable gouache pen |
| 07/10/2013 | CN203046561U Adjustable pen pipe |
| 07/10/2013 | CN103192624A Thermochromic writing instrument |
| 07/10/2013 | CN102131653B Compound writing instrument |
| 07/09/2013 | US8480323 Expandable writing instrument |
| 07/04/2013 | WO2013101558A1 Magnetic-mechanical connection assembly and writing instrument comprising same |
| 07/04/2013 | WO2013101557A1 Magnetic-mechanical connection assembly and writing instrument comprising same |
| 07/03/2013 | CN203032158U 粉笔套 Chalk sets |
| 07/03/2013 | CN203032157U Multipurpose chalk clip |
| 07/03/2013 | CN203032156U Chalk sleeve combined with pointer |
| 07/03/2013 | CN203032155U Rotatable chalk |
| 07/03/2013 | CN203032140U Big end pen with pen point built in |
| 06/2013 | |
| 06/26/2013 | CN203019882U Novel chalk sleeve |
| 06/26/2013 | CN203019881U A chalk barrel |
| 06/26/2013 | CN203019875U Ink storing writing brush |
| 06/26/2013 | CN203019868U Gravity induction pen |
| 06/26/2013 | CN103171329A Chalk writing device |
| 06/20/2013 | DE102011056592A1 Flexibles Gehäuse insbesondere für Schreibgeräte und Verfahren zum Herstellen eines flexiblen Gehäuses A flexible housing in particular for writing instruments and methods for producing a flexible housing |
| 06/19/2013 | EP2603386A1 Writing instrument |
| 06/19/2013 | CN203004680U Shockproof pen |
| 06/19/2013 | CN203004669U Chalk fixator |
| 06/19/2013 | CN203004666U Chalk sleeve |
| 06/19/2013 | CN203004665U Device for realizing automatic lifting of chalk |
| 06/19/2013 | CN203004658U Telescopic sleeve for containing chalks |
| 06/19/2013 | CN203004657U Adjustable chalk holding device |
| 06/12/2013 | CN202986467U Chalk clip for teaching |
| 06/12/2013 | CN202986465U Chalk sleeve |
| 06/12/2013 | CN202986464U Novel chalk sleeve |
| 06/12/2013 | CN202986461U Chalk sleeve |
| 06/12/2013 | CN202986454U Solid highlighter pen |
| 06/12/2013 | CN103144465A Sanitary chalk sleeve |
| 06/06/2013 | US20130142562 Writing instrument |
| 06/05/2013 | CN202976568U Multifunctional teaching pointer |
| 06/05/2013 | CN202965628U Pen with cartridge capable of writing in an up-right and extending mode and retracting in an upside-down mode |
| 06/05/2013 | CN202965620U Automatic chalk |
| 06/05/2013 | CN101646569B Valve, manufacture method of valve and retractable marker pen incorporating the valve |
| 05/2013 | |
| 05/29/2013 | CN103121339A Chalk sleeve |
| 05/29/2013 | CN103121338A Chalk container |
| 05/22/2013 | CN202944070U Three-united gel pen |
| 05/22/2013 | CN103112278A Pen with double heads |
| 05/22/2013 | CN103112275A Portable pen |
| 05/22/2013 | CN103112269A Automatic telescopic ballpoint pen |
| 05/22/2013 | CN101622138B Thermally changeable color writing tool |
| 05/15/2013 | CN202934985U Chalk sleeve |
| 05/08/2013 | CN103097144A Writing instrument |
| 05/07/2013 | US8434957 Knock-type writing instrument |
| 05/01/2013 | CN202911360U Fast conversion two-color writing device for english teaching |
| 05/01/2013 | CN202911354U Lipstick-type chalk |
| 05/01/2013 | CN202911353U 自动粉笔 Auto chalk |
| 05/01/2013 | CN202911352U 书写器 Writer |
| 05/01/2013 | CN202911346U Pencil with telescopic pencil core |
| 04/2013 | |
| 04/25/2013 | WO2013057274A1 Writing instrument |
| 04/24/2013 | CN202896027U Gel pen |
| 04/24/2013 | CN202896025U 多功能笔 Multi-function pen |
| 04/24/2013 | CN202896021U Chalk shell |
| 04/24/2013 | CN103057309A Chalk case |
| 04/17/2013 | CN202879002U Pen |
| 04/17/2013 | CN202878999U Blackboard-writing pen case |
| 04/17/2013 | CN202878988U Gel pen with refill capable of being replaced conveniently |
| 04/17/2013 | CN101961966B Handwriting pen with automatic nib protecting function |
| 04/17/2013 | CN101549608B Strip piece delivering container |
| 04/10/2013 | CN202862911U Multifunctional pen |
| 04/10/2013 | CN202862904U Protective sleeve for chalk |
| 04/10/2013 | CN202862893U Marking pen of roly-poly |
| 04/04/2013 | WO2013047052A1 Multi-pen |
| 04/04/2013 | WO2013009101A3 Button type sign pen |
| 04/03/2013 | CN202847260U Multifunctional chalk eraser |
| 04/03/2013 | CN202847212U Telescopic chalk shell |
| 04/03/2013 | CN103009872A Chalk housing |
| 04/03/2013 | CN103009871A Chalk sheath |
| 03/2013 | |
| 03/27/2013 | CN202826833U Novel chalk holder |
| 03/27/2013 | CN202826824U Cap-free pen |
| 03/27/2013 | CN102991196A Pencil sleeve capable of lengthening pencil in use |
| 03/25/2013 | DE202013001304U1 Kugelschreiber Pen |
| 03/20/2013 | CN202806045U Spin control type ballpoint pen |
| 03/20/2013 | CN202806044U Screw type telescopic pen |
| 03/20/2013 | CN202806043U Rotary colored drawing pen |
| 03/20/2013 | CN202806036U Autopen chalk holder |
| 03/20/2013 | CN202806035U Chalk sleeve |