1997500

Information

• Patent Grant
• 1997500

• References
• Source

• Patent Number

  1,997,500

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1935
  89 years ago

• CPC

  • A44C17/04 - Setting gems in jewellery Setting-tools
  • Y10S264/55 - Processes for making jewelry
  • Y10S264/78 - Processes of molding using vacuum
  • Y10T29/23 - Gem and jewel setting
  • Y10T29/49597 - Ornamental stock making

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 029 - Metal working
  • 043 - Fishing, trapping, and vermin destroying
  • 063 - Jewelry
  • 425 - Plastic article or earthenware shaping or treating: apparatus