2142996

Information

• Patent Grant
• 2142996

• References
• Source

• Patent Number

  2,142,996

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1939
  85 years ago

• CPC

  • E04D1/025 - Diamond shaped and installed in diagonal lines
  • E04D1/06 - of metal

• US Classifications

  • 052 - Static structures