2297812

Information

• Patent Grant
• 2297812

• References
• Source

• Patent Number

  2,297,812

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1942
  82 years ago

• CPC

  • B21B37/60 - by control of a motor which drives an adjusting screw
  • B21B2265/02 - Tension

• US Classifications

  • 072 - Metal deforming
  • 235 - Registers
  • 307 - Electrical transmission or interconnection systems
  • 318 - Electricity: motive power systems
  • 322 - Electricity: single generator systems
  • 356 - Optics: measuring and testing