1851389

Information

• Patent Grant
• 1851389

• References
• Source

• Patent Number

  1,851,389

• Date Filed

  Not available

• Date Issued

  Tuesday, March 29, 1932
  92 years ago

• CPC

  • A47B1/056 - the leaves forming an outer ring

• US Classifications

  • 108 - Horizontally supported planar surfaces