1805009

Information

• Patent Grant
• 1805009

• References
• Source

• Patent Number

  1,805,009

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1931
  93 years ago

• CPC

  • G03C7/08 - from diversely-coloured grains irregularly distributed
  • Y10S430/147 - Lenticular

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 264 - Plastic and nonmetallic article shaping or treating: processes