2877532

Information

• Patent Grant
• 2877532

• References
• Source

• Patent Number

  2,877,532

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1959
  65 years ago

• CPC

  • C04B32/00 - Artificial stone not provided for in other groups of this subclass
  • C04B33/34 - combined with glazing
  • C04B38/063 - Preparing or treating the raw materials individually or as batches
  • C04B2111/28 - Fire resistance
  • C04B2111/52 - Sound-insulating materials
  • Y02W30/97 - Vegetable refuse
  • Y10S428/921 - Fire or flameproofing
  • Y10T428/249981 - Plural void-containing components

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 181 - Acoustics
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 501 - Compositions: ceramic