Invention Grant
US3214530A Padlock-receiving locking attachment for pivotable operating handles of electrical control devices 失效
挂锁接收锁定附件,用于电气控制装置的可枢转操作手柄

  • Patent Title: Padlock-receiving locking attachment for pivotable operating handles of electrical control devices
  • Patent Title (中): 挂锁接收锁定附件,用于电气控制装置的可枢转操作手柄
  • Application No.: US23176262
    Application Date: 1962-10-19
  • Publication No.: US3214530A
    Publication Date: 1965-10-26
  • Inventor: THARP JAMES ABATT THOMAS N
  • Applicant: SQUARE D CO
  • Assignee: Sanwa Shutter Corp
  • Current Assignee: Sanwa Shutter Corp
  • Priority: US23176262 1962-10-19
  • Main IPC: H01H9/28
  • IPC: H01H9/28
Padlock-receiving locking attachment for pivotable operating handles of electrical control devices
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