3790972

Information

• Patent Grant
• 3790972

• References
• Source

• Patent Number

  3,790,972

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1974
  51 years ago

• CPC

  • A47C27/053 - with only one layer of foamed material
  • A47C27/0453 - Attachment of spring inlays to outer layers
  • A47C27/05 - with padding material
  • A47C27/056 - with different layers of foamed material
  • B68G11/06 - with embedded springs

• US Classifications

  • 005 - Beds