2977992

Information

• Patent Grant
• 2977992

• References
• Source

• Patent Number

  2,977,992

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1961
  64 years ago

• CPC

  • F16L55/132 - the closure device being a plug fixed by radially deforming the packing
  • Y10T74/18912 - Compound lever and slide

• US Classifications

  • 138 - Pipes and tubular conduits
  • 074 - Machine element or mechanism
  • 144 - Woodworking
  • 220 - Receptacles
  • 254 - Implements or apparatus for applying pushing or pulling force