3177504

Information

• Patent Grant
• 3177504

• References
• Source

• Patent Number

  3,177,504

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1965
  59 years ago

• CPC

  • A47C23/30 - using combinations of springs covered by more than one of the groups A47C23/04, A47C23/06 and A47C23/12 Frames therefor
  • A47C23/007 - Edge stiffeners
  • A47C23/15 - with braided or crossed flat springs or cords with horizontal wound springs

• US Classifications

  • 005 - Beds
  • 267 - Spring devices