3796406

Information

• Patent Grant
• 3796406

• References
• Source

• Patent Number

  3,796,406

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1974
  50 years ago

• CPC

  • E02D29/149 - Annular gaskets
  • B28B23/0043 - with gaskets or sealing elements
  • E02D29/12 - Manhole shafts Other inspection or access chambers Accessories therefor

• US Classifications

  • 249 - Static molds
  • 248 - Supports