2852991

Information

• Patent Grant
• 2852991

• References
• Source

• Patent Number

  2,852,991

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1958
  66 years ago

• CPC

  • B28B23/22 - assembled from preformed parts
  • E01C7/16 - Prestressed concrete paving

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes