3321243

Information

• Patent Grant
• 3321243

• References
• Source

• Patent Number

  3,321,243

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1967
  57 years ago

• CPC

  • B60N2/20 - the back-rest being tiltable
  • B60N2/233 - by linear screw mechanisms
  • Y10S411/979 - Resilient

• US Classifications

  • 297 - Chairs and seats
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener