1745607

Information

• Patent Grant
• 1745607

• References
• Source

• Patent Number

  1,745,607

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1930
  95 years ago

• CPC

  • A44C17/003 - Doublet stones
  • C11B5/0035 - Phenols; Their halogenated and aminated derivates, their salts, their esters with carboxylic acids

• US Classifications

  • 063 - Jewelry
  • 428 - Stock material or miscellaneous articles