3551924

Information

• Patent Grant
• 3551924

• References
• Source

• Patent Number

  3,551,924

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • A47C27/148 - of different resilience
  • A47C23/0435 - of adjustable resilience
  • A47C27/15 - consisting of two or more layers
  • Y10S5/935 - with adjustable firmness

• US Classifications

  • 005 - Beds