2821244

Information

• Patent Grant
• 2821244

• References
• Source

• Patent Number

  2,821,244

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1958
  67 years ago

• CPC

  • B60N2/7052 - Springs using a combination of metal and rubber
  • A47C7/18 - having foamed material included in cushioning part
  • Y10S297/01 - Foam
  • Y10S297/03 - Pneumatic

• US Classifications

  • 267 - Spring devices
  • 297 - Chairs and seats