3552074

Information

• Patent Grant
• 3552074

• References
• Source

• Patent Number

  3,552,074

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • E04C3/26 - prestressed
  • B28B23/046 - Post treatment to obtain pre-stressed articles
  • E04G21/12 - Mounting of reinforcing inserts Prestressing

• US Classifications

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