3550479

Information

• Patent Grant
• 3550479

• References
• Source

• Patent Number

  3,550,479

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  54 years ago

• CPC

  • B23H1/00 - Electrical discharge machining
  • B23Q35/12 - involving electrical means
  • B23Q2735/067 - with rotation of the workpiece during milling
  • Y10T29/5189 - Printing plate

• US Classifications

  • 076 - Metal tools and implements, making
  • 029 - Metal working
  • 219 - Electric heating