1935641

Information

• Patent Grant
• 1935641

• References
• Source

• Patent Number

  1,935,641

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1933
  91 years ago

• CPC

  • A47F7/163 - in the form of flat shaped samples
  • B42F15/0017 - for filing individual loose sheets

• US Classifications

  • 211 - Supports: racks
  • 040 - Card, picture, or sign exhibiting