3641887

Information

• Patent Grant
• 3641887

• References
• Source

• Patent Number

  3,641,887

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • B41B27/28 - Control, indicating, or safety devices for individual operations or machine elements
  • B41B17/08 - with a fixed carrier
  • G06K15/12 - by photographic printing

• US Classifications

  • 396 - Photography