3512831

Information

• Patent Grant
• 3512831

• References
• Source

• Patent Number

  3,512,831

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1970
  54 years ago

• CPC

  • A47C7/30 - with springs meandering in a flat plane
  • A47C7/14 - of adjustable shape elastically mounted
  • B60N2/707 - with rubber blocks
  • B60N2/7076 - with rubber bands

• US Classifications

  • 297 - Chairs and seats