3698440

Information

• Patent Grant
• 3698440

• References
• Source

• Patent Number

  3,698,440

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1972
  52 years ago

• CPC

  • F16L59/14 - Arrangements for the insulation of pipes or pipe systems
  • F16L9/14 - Compound tubes
  • F16L55/04 - Devices damping pulsations or vibrations in fluids
  • F16L59/125 - Helical spacers
  • F16L59/153 - for flexible pipes
  • Y10T428/13 - Hollow or container type article [e.g., tube, vase, etc.]
  • Y10T428/1393 - Multilayer [continuous layer]
  • Y10T428/24744 - Longitudinal or transverse tubular cavity or cell

• US Classifications

  • 138 - Pipes and tubular conduits
  • 181 - Acoustics
  • 188 - Brakes
  • 252 - Compositions
  • 428 - Stock material or miscellaneous articles