2636933

Information

• Patent Grant
• 2636933

• References
• Source

• Patent Number

  2,636,933

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1953
  71 years ago

• CPC

  • G01V3/08 - operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
  • B65H31/16 - Fluid-pressure devices
  • B65H43/00 - Use of control, checking, or safety devices

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 271 - Sheet feeding or delivering
  • 324 - Electricity: measuring and testing
  • 361 - Electricity: electrical systems and devices