1251578

Information

• Patent Grant
• 1251578

• References
• Source

• Patent Number

  1,251,578

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1918
  107 years ago

• CPC

  • B21D41/04 - Reducing Closing
  • B21D5/008 - combined with heating or cooling of the bends
  • B21D5/02 - on press brakes without making use of clamping means
  • B23K11/30 - Features relating to electrodes
  • B23K11/318 - Supporting devices for electrode holders

• US Classifications

  • 219 - Electric heating
  • 264 - Plastic and nonmetallic article shaping or treating: processes