3487876

Information

• Patent Grant
• 3487876

• References
• Source

• Patent Number

  3,487,876

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1970
  55 years ago

• CPC

  • B22D13/026 - the longitudinal axis being vertical
  • B22D11/006 - of tubes

• US Classifications

  • 164 - Metal founding