1744823

Information

• Patent Grant
• 1744823

• References
• Source

• Patent Number

  1,744,823

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1930
  95 years ago

• CPC

  • E05F15/665 - for vertically-sliding wings
  • E05F15/678 - operated by swinging lever arms
  • E05Y2900/106 - for garages

• US Classifications

  • 049 - Movable or removable closures
  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle