3618137

Information

• Patent Grant
• 3618137

• References
• Source

• Patent Number

  3,618,137

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1971
  53 years ago

• CPC

  • H01F7/0236 - Magnetic suspension or levitation
  • B43L5/005 - with magnetic action
  • B43L13/022 - automatic
  • B43L13/24 - Devices for generating stepwise movements of drawing equipment
  • Y10S33/01 - Magnetic

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 033 - Geometrical instruments