3260020

Information

• Patent Grant
• 3260020

• References
• Source

• Patent Number

  3,260,020

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1966
  58 years ago

• CPC

  • E04H7/20 - Prestressed constructions
  • B28B21/60 - prestressed reinforcements
  • E04G21/12 - Mounting of reinforcing inserts Prestressing

• US Classifications

  • 052 - Static structures
  • 138 - Pipes and tubular conduits
  • 165 - Heat exchange
  • 220 - Receptacles
  • 264 - Plastic and nonmetallic article shaping or treating: processes