3538658

Information

• Patent Grant
• 3538658

• References
• Source

• Patent Number

  3,538,658

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1970
  54 years ago

• CPC

  • E04B2/7881 - of substantially S - or Z - section; having a shape or cross-section adapted for gripping or overlapping panels by means of at least partially complementary shaped parallel elements
  • E04B2/7411 - Details for fire protection
  • E04B2/78 - characterised by special cross-section of the frame-members as far as important for securing wall panels to a framework with or without the help of cover-strips

• US Classifications

  • 052 - Static structures