1847977

Information

• Patent Grant
• 1847977

• References
• Source

• Patent Number

  1,847,977

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1932
  93 years ago

• CPC

  • E06B1/6038 - specially adapted for being embedded in the wall

• US Classifications

  • 052 - Static structures