3766580

Information

• Patent Grant
• 3766580

• References
• Source

• Patent Number

  3,766,580

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1973
  51 years ago

• CPC

  • A47C7/282 - with mesh-like supports
  • A47C7/34 - with springs in compression
  • A47C23/002 - with separate support elements
  • A47C23/32 - Combinations of nets with springs in compression Frames therefor
  • A47C27/0453 - Attachment of spring inlays to outer layers
  • A47C27/06 - Spring inlays
  • A47C27/065 - of special shape
  • F16F1/424 - of membrane-type springs
  • F16F2236/022 - of membrane-type springs
  • Y10S297/08 - Inflatable bellows

• US Classifications

  • 297 - Chairs and seats
  • 005 - Beds