3693305

Information

• Patent Grant
• 3693305

• References
• Source

• Patent Number

  3,693,305

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1972
  52 years ago

• CPC

  • E04D3/40 - Slabs or sheets locally modified for auxiliary purposes
  • E04D3/34 - of specified materials, or of combinations of materials, not covered by any one of groups E04D3/26 - E04D3/32
  • E04D3/38 - Devices for sealing spaces or joints between roof-covering elements

• US Classifications

  • 052 - Static structures