494217

Information

• Patent Grant
• 494217

• References
• Source

• Patent Number

  494,217

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1893
  131 years ago

• CPC

  • B66B11/0423 - actuated pneumatically or hydraulically

• US Classifications

  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle
  • 251 - Valves and valve actuation