1957308

Information

• Patent Grant
• 1957308

• References
• Source

• Patent Number

  1,957,308

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1934
  90 years ago

• CPC

  • E05F3/108 - with piston rod protruding from the closer housing; Telescoping closers
  • E05Y2201/656 - Chains
  • E05Y2600/41 - Concealed
  • E05Y2900/132 - Doors
  • Y10T16/276 - Liquid
  • Y10T16/2799 - Spring and flexible link

• US Classifications

  • 016 - Miscellaneous hardware
  • 188 - Brakes