3783968

Information

• Patent Grant
• 3783968

• References
• Source

• Patent Number

  3,783,968

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1974
  52 years ago

• CPC

  • E01F8/0052 - Grate-style

• US Classifications

  • 181 - Acoustics
  • 244 - Aeronautics and astronautics
  • 256 - Fences
  • D25 - Building units and construction elements