1798380

Information

• Patent Grant
• 1798380

• References
• Source

• Patent Number

  1,798,380

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1931
  94 years ago

• CPC

  • E04B7/205 - the slabs having non-structural supports for roofing materials

• US Classifications

  • 052 - Static structures