2585188

Information

• Patent Grant
• 2585188

• References
• Source

• Patent Number

  2,585,188

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1952
  72 years ago

• CPC

  • B41B21/18 - defining a single optical path
  • B41B17/30 - on a sheet of square or rectangular shape

• US Classifications

  • 396 - Photography