3698920

Information

• Patent Grant
• 3698920

• References
• Source

• Patent Number

  3,698,920

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1972
  52 years ago

• CPC

  • C04B33/025 - Mixtures of materials with different sizes
  • C04B33/02 - Preparing or treating the raw materials individually or as batches
  • C04B35/10 - based on aluminium oxide
  • C04B38/068 - Carbonaceous materials
  • H01B3/085 - Particles bound with glass

• US Classifications

  • 501 - Compositions: ceramic
  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 361 - Electricity: electrical systems and devices