3680271

Information

• Patent Grant
• 3680271

• References
• Source

• Patent Number

  3,680,271

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • E04B2/58 - with elongated members of metal
  • E04B2/765 - with one continuous profile, the perpendicular one being interrupted
  • E04B2/7411 - Details for fire protection

• US Classifications

  • 052 - Static structures