3340548

Information

• Patent Grant
• 3340548

• References
• Source

• Patent Number

  3,340,548

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1967
  57 years ago

• CPC

  • A47C31/12 - Means
  • A47C23/0435 - of adjustable resilience
  • A47C23/063 - by elastic means
  • A47C23/067 - adjustable
  • Y10S5/934 - with movable transverse slats
  • Y10S5/935 - with adjustable firmness
  • Y10S5/936 - with adjustable firmness comprising springs

• US Classifications

  • 005 - Beds
  • 297 - Chairs and seats