1525397

Information

• Patent Grant
• 1525397

• References
• Source

• Patent Number

  1,525,397

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1925
  100 years ago

• CPC

  • E05D3/12 - with two parallel pins and one arm
  • E05D3/00 - Hinges with pins
  • E05D3/08 - for swing-doors
  • E05F1/1215 - with a canted-coil torsion spring
  • E05F1/14 - with double-acting springs
  • Y10T16/53825 - and barrels for helical springs on separate axes

• US Classifications

  • 016 - Miscellaneous hardware