2021610

Information

• Patent Grant
• 2021610

• References
• Source

• Patent Number

  2,021,610

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1935
  89 years ago

• CPC

  • F27D1/142 - Anchors made from ceramic material

• US Classifications

  • 052 - Static structures
  • 110 - Furnaces