1670557

Information

• Patent Grant
• 1670557

• References
• Source

• Patent Number

  1,670,557

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1928
  96 years ago

• CPC

  • E04C5/07 - Reinforcing elements of material other than metal
  • Y10S425/122 - Reinforcing and aggregate

• US Classifications

  • 052 - Static structures
  • 425 - Plastic article or earthenware shaping or treating: apparatus