1807500

Information

• Patent Grant
• 1807500

• References
• Source

• Patent Number

  1,807,500

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1931
  93 years ago

• CPC

  • A47B23/007 - Overhead reading-racks or book-rests
  • A47B2023/008 - having a transparent book support

• US Classifications

  • 108 - Horizontally supported planar surfaces
  • 248 - Supports