1401639

Information

• Patent Grant
• 1401639

• References
• Source

• Patent Number

  1,401,639

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1921
  103 years ago

• CPC

  • A47B23/00 - Bed-tables Trays Reading-racks Book-rests
  • Y10S5/942 - Longitudinally divided top surface with pivotable section

• US Classifications

  • 108 - Horizontally supported planar surfaces
  • 005 - Beds