1414541

Information

• Patent Grant
• 1414541

• References
• Source

• Patent Number

  1,414,541

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1922
  102 years ago

• CPC

  • E21D15/34 - by axially- moving balls, rollers, or the like
  • E21B19/06 - Elevators

• US Classifications

  • 248 - Supports
  • 211 - Supports: racks