1575772

Information

• Patent Grant
• 1575772

• References
• Source

• Patent Number

  1,575,772

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1926
  98 years ago

• CPC

  • E04C2/421 - made of bar-like elements

• US Classifications

  • 052 - Static structures
  • D05 - Textile or paper yard goods
  • D25 - Building units and construction elements