3873152

Information

• Patent Grant
• 3873152

• References
• Source

• Patent Number

  3,873,152

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  50 years ago

• CPC

  • A47C1/0347 - characterised by the backrest-seat unit or back-rest slidingly movable in the base frame
  • A47C1/0242 - by electric motors
  • A47C1/0248 - by chains, ropes or belts

• US Classifications

  • 297 - Chairs and seats