2977866

Information

• Patent Grant
• 2977866

• References
• Source

• Patent Number

  2,977,866

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1961
  64 years ago

• CPC

  • G03B1/54 - Tensionning or loop-maintaining devices
  • G03B27/08 - for automatic copying of several originals one after the other

• US Classifications

  • 355 - Photocopying