3503237

Information

• Patent Grant
• 3503237

• References
• Source

• Patent Number

  3,503,237

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1970
  54 years ago

• CPC

  • B21H1/18 - cylinders
  • B21H1/16 - for bearings
  • B21H3/10 - twist-drills screw-taps

• US Classifications

  • 072 - Metal deforming