1475146

Information

• Patent Grant
• 1475146

• References
• Source

• Patent Number

  1,475,146

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1923
  101 years ago

• CPC

  • E21B19/12 - Rope clamps rod, casings or tube clamps not secured to elevators
  • E21D15/36 - by a tiltable collar surrounding one or both parts

• US Classifications

  • 294 - Handling: hand and hoist-line implements