2744717

Information

• Patent Grant
• 2744717

• References
• Source

• Patent Number

  2,744,717

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1956
  69 years ago

• CPC

  • E21D15/42 - with special parts to influence the friction
  • F16B2/14 - using wedges

• US Classifications

  • 248 - Supports