2174732

Information

• Patent Grant
• 2174732

• References
• Source

• Patent Number

  2,174,732

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1939
  85 years ago

• CPC

  • E05D13/1292 - Spring safety devices
  • E05D13/06 - with notches for vertically sliding wings
  • E05D13/1253 - with canted-coil torsion springs
  • Y10T16/641 - Drum and cord
  • Y10T16/644 - Rack and pinion

• US Classifications

  • 016 - Miscellaneous hardware