发明授权
US07470096B2 Drawing pin 失效
图钉

  • 专利标题: Drawing pin
  • 专利标题(中): 图钉
  • 申请号: US10558696
    申请日: 2004-05-28
  • 公开(公告)号: US07470096B2
    公开(公告)日: 2008-12-30
  • 发明人: David Morrish
  • 申请人: David Morrish
  • 代理机构: Clark & Brody
  • 优先权: GB0312458.3 20030530
  • 国际申请: PCT/GB2004/002309 WO 20040528
  • 国际公布: WO2004/106088 WO 20041209
  • 主分类号: B43M15/00
  • IPC分类号: B43M15/00
Drawing pin
摘要:
A drawing pin comprises a head portion and a spike, the head portion having an aperture therein in order to receive the spike of a subsequent drawing pin.
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