3921273

Information

• Patent Grant
• 3921273

• References
• Source

• Patent Number

  3,921,273

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • B29C44/185 - Starting the expansion after rupturing or dissolving the bag
  • B01D53/944 - Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
  • B29C44/3496 - The foam being compressed and later released to expand
  • F01N3/26 - Construction of thermal reactors
  • F16L59/028 - Composition or method of fixing a thermally insulating material
  • F16L59/16 - Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
  • F01N2310/06 - Porous ceramics
  • Y10T29/49345 - Catalytic device making
  • Y10T29/49394 - Accumulator making
  • Y10T29/49398 - Muffler, manifold or exhaust pipe making
  • Y10T29/4981 - Utilizing transitory attached element or associated separate material
  • Y10T29/49872 - Confining elastic part in socket
  • Y10T29/49876 - by snap fit
  • Y10T29/49879 - Spaced wall tube or receptacle
  • Y10T29/53657 - to apply or remove a resilient article [e.g., tube, sleeve, etc.]

• US Classifications

  • 029 - Metal working
  • 138 - Pipes and tubular conduits