1353721

Information

• Patent Grant
• 1353721

• References
• Source

• Patent Number

  1,353,721

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1920
  104 years ago

• CPC

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

• US Classifications

  • 072 - Metal deforming