3856252

Information

• Patent Grant
• 3856252

• References
• Source

• Patent Number

  3,856,252

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • A47C3/265 - with rack-and-pinion gearing
  • F16B7/14 - locking in intermediate non-discrete positions

• US Classifications

  • 248 - Supports
  • 108 - Horizontally supported planar surfaces
  • 297 - Chairs and seats