2893679

Information

• Patent Grant
• 2893679

• References
• Source

• Patent Number

  2,893,679

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1959
  65 years ago

• CPC

  • E21D15/12 - with locking devices located near head or foot

• US Classifications

  • 248 - Supports