3690142

Information

• Patent Grant
• 3690142

• References
• Source

• Patent Number

  3,690,142

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1972
  52 years ago

• CPC

  • B21J7/14 - Forging machines working with several hammers
  • Y10T74/19595 - Automatic control

• US Classifications

  • 072 - Metal deforming
  • 074 - Machine element or mechanism