3667844

Information

• Patent Grant
• 3667844

• References
• Source

• Patent Number

  3,667,844

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1972
  52 years ago

• CPC

  • G03B27/582 - Baseboards, easels
  • G03B27/28 - Edge-masking devices

• US Classifications

  • 355 - Photocopying