1976555

Information

• Patent Grant
• 1976555

• References
• Source

• Patent Number

  1,976,555

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1934
  90 years ago

• CPC

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

• US Classifications

  • 072 - Metal deforming