1816043

Information

• Patent Grant
• 1816043

• References
• Source

• Patent Number

  1,816,043

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1931
  93 years ago

• CPC

  • C01D1/44 - Preparation in the form of granules, pieces, or other shaped products
  • Y10T428/2973 - Particular cross section
  • Y10T428/2978 - Surface characteristic

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 252 - Compositions
  • 313 - Electric lamp and discharge devices