2133420

Information

• Patent Grant
• 2133420

• References
• Source

• Patent Number

  2,133,420

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1938
  86 years ago

• CPC

  • F21L13/08 - by reciprocating pusher actuated by hand

• US Classifications

  • 362 - Illumination
  • 310 - Electrical generator or motor structure
  • 324 - Electricity: measuring and testing