3499673

Information

• Patent Grant
• 3499673

• References
• Source

• Patent Number

  3,499,673

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1970
  54 years ago

• CPC

  • E04D3/3601 - of roof covering supported by the roof structure with interposition of a insulating layer

• US Classifications

  • 052 - Static structures