2145867

Information

• Patent Grant
• 2145867

• References
• Source

• Patent Number

  2,145,867

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1939
  85 years ago

• CPC

  • B21C37/0818 - Manufacture of tubes by drawing of strip material through dies

• US Classifications

  • 072 - Metal deforming