1303683

Information

• Patent Grant
• 1303683

• References
• Source

• Patent Number

  1,303,683

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1919
  105 years ago

• CPC

  • A47B27/06 - balancing by means of springs

• US Classifications

  • 108 - Horizontally supported planar surfaces