3297292

Information

• Patent Grant
• 3297292

• References
• Source

• Patent Number

  3,297,292

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1967
  58 years ago

• CPC

  • E21D15/16 - with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
  • E21D11/02 - Lining predominantly with wood

• US Classifications

  • 248 - Supports