3831537

Information

• Patent Grant
• 3831537

• References
• Source

• Patent Number

  3,831,537

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • D05B69/10 - Electrical or electromagnetic drives

• US Classifications

  • 112 - Sewing
  • 310 - Electrical generator or motor structure
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets