1715884

Information

• Patent Grant
• 1715884

• References
• Source

• Patent Number

  1,715,884

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1929
  95 years ago

• CPC

  • G03D17/00 - Dark-room arrangements not provided for in the preceding groups portable dark-rooms
  • Y10S362/803 - Photo safe lamp

• US Classifications

  • 362 - Illumination
  • 359 - Optical: systems and elements