2986688

Information

• Patent Grant
• 2986688

• References
• Source

• Patent Number

  2,986,688

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1961
  63 years ago

• CPC

  • B21C47/003 - Regulation of tension or speed; Braking
  • B21C1/12 - Regulating or controlling speed of drawing drums
  • Y10S388/914 - Thyratron or ignitron

• US Classifications

  • 388 - Electricity: motor control systems
  • 315 - Electric lamp and discharge devices: systems
  • 318 - Electricity: motive power systems