3813107

Information

• Patent Grant
• 3813107

• References
• Source

• Patent Number

  3,813,107

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 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
  • F16J15/027 - and with a hollow profile
  • Y10T137/6991 - Ground supporting enclosure

• US Classifications

  • 277 - Seal for a joint or juncture
  • 137 - Fluid handling
  • 285 - Pipe joints or couplings