3885841

Information

• Patent Grant
• 3885841

• References
• Source

• Patent Number

  3,885,841

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1975
  49 years ago

• CPC

  • G03B21/11 - for microfilm reading
  • B42D17/005 - Hand-held holders for facilitating the reading of newspapers or the like

• US Classifications

  • 312 - Supports: cabinet structure
  • 229 - Envelopes, wrappers, and paperboard boxes