3903540

Information

• Patent Grant
• 3903540

• References
• Source

• Patent Number

  3,903,540

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1975
  49 years ago

• CPC

  • G03D13/06 - Light-tight tanks with provision for loading in daylight

• US Classifications

  • 396 - Photography