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
  • H01H9/02—Bases, casings, or covers
  • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
• • 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
  • H01H9/02—Bases, casings, or covers
  • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
  • H01H9/042—Explosion-proof cases
  • H01H9/045—Explosion-proof cases with interlocking mechanism between cover and operating mechanism

Applications Claiming Priority (1)

Publications (1)

Family

ID=19815025

Family Applications (1)

Country Status (4)

• 0
  • NL NL82057D patent/NL82057C/xx active
  • NL NL172504D patent/NL87206C/xx active
  • BE BE514297D patent/BE514297A/nl unknown
• 1952
  • 1952-09-24 GB GB23977/52A patent/GB718846A/en not_active Expired
  • 1952-09-24 FR FR1071110D patent/FR1071110A/fr not_active Expired

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