1721288

Information

• Patent Grant
• 1721288

• References
• Source

• Patent Number

  1,721,288

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1929
  95 years ago

• CPC

  • E05D1/02 - made of one piece
  • E05D3/02 - with one pin
  • E05D2700/04 - Hinges with one pivot axis and more than one bearing surface
  • Y10S16/33 - Rubber sleeve bearings and hinges
  • Y10T16/537 - having means to reduce friction between hinge parts

• US Classifications

  • 016 - Miscellaneous hardware