2186131

Information

• Patent Grant
• 2186131

• References
• Source

• Patent Number

  2,186,131

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1940
  85 years ago

• CPC

  • E02B7/36 - Elevating mechanisms for vertical-lift gates

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 049 - Movable or removable closures