2866631

Information

• Patent Grant
• 2866631

• References
• Source

• Patent Number

  2,866,631

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1958
  66 years ago

• CPC

  • B23Q35/26 - designed for a physical contact with a pattern or a model
  • B23K7/007 - for obtaining tube intersection profiles
  • B23Q9/0021 - the tool being guided in a circular path

• US Classifications

  • 266 - Metallurgical apparatus
  • 033 - Geometrical instruments