2639635

Information

• Patent Grant
• 2639635

• References
• Source

• Patent Number

  2,639,635

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1953
  71 years ago

• CPC

  • G04D3/0023 - for axles, sleeves
  • Y10T83/0348 - Active means to control depth of score

• US Classifications

  • 081 - Tools
  • 072 - Metal deforming
  • 083 - Cutting
  • 968 - Horology