1652217

Information

• Patent Grant
• 1652217

• References
• Source

• Patent Number

  1,652,217

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1927
  97 years ago

• CPC

  • C01G21/10 - Red lead (Pb3O4)
  • C01P2006/60 - Optical properties

• US Classifications

  • 106 - Compositions: coating or plastic