2175452

Information

• Patent Grant
• 2175452

• References
• Source

• Patent Number

  2,175,452

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1939
  85 years ago

• CPC

  • B60N2/1695 - with simultaneous height and inclination adjustment
  • B60N2/0232 - electric motors
  • B60N2/1615 - Parallelogram-like structure
  • B60N2/1675 - with weight compensating means
  • B60N2/1685 - characterised by a lock
  • B60N2/169 - Stepwise movement mechanisms
  • B60N2/1846 - pivoting about a distant axis
  • B60N2/1892 - characterised by a lock
  • B60N2/1896 - Stepwise movement mechanisms

• US Classifications

  • 297 - Chairs and seats
  • 248 - Supports