FR636293A - - Google Patents

Info

Publication number
FR636293A
FR636293A FR636293DA FR636293A FR 636293 A FR636293 A FR 636293A FR 636293D A FR636293D A FR 636293DA FR 636293 A FR636293 A FR 636293A
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication date
Application granted granted Critical
Publication of FR636293A publication Critical patent/FR636293A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Elevator Control (AREA)
FR636293D 1926-02-18 Expired FR636293A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89248A US1687508A (en) 1926-02-18 1926-02-18 Controller

Publications (1)

Publication Number Publication Date
FR636293A true FR636293A (fr) 1928-04-05

Family

ID=22216548

Family Applications (2)

Application Number Title Priority Date Filing Date
FR636293D Expired FR636293A (fr) 1926-02-18
FR33160D Active FR33160E (fr) 1926-02-18

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR33160D Active FR33160E (fr) 1926-02-18

Country Status (2)

Country Link
US (1) US1687508A (fr)
FR (2) FR33160E (fr)

Also Published As

Publication number Publication date
FR33160E (fr)
US1687508A (en) 1928-10-16

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