2975561

Information

• Patent Grant
• 2975561

• References
• Source

• Patent Number

  2,975,561

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1961
  64 years ago

• CPC

  • E04D13/0646 - made of concrete or stone-like material
  • E04D3/405 - Wall copings
  • E04D13/064 - Gutters

• US Classifications

  • 052 - Static structures