3021737

Information

• Patent Grant
• 3021737

• References
• Source

• Patent Number

  3,021,737

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1962
  63 years ago

• CPC

  • B21B1/28 - by cold-rolling
  • B21H7/10 - knives sickles scythes
  • B21B2027/022 - Rolls having tapered ends

• US Classifications

  • 072 - Metal deforming