3319657

Information

• Patent Grant
• 3319657

• References
• Source

• Patent Number

  3,319,657

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1967
  57 years ago

• CPC

  • F16L55/052 - Pneumatic reservoirs
  • F16L55/00 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems
  • F28B9/005 - for protection against freezing
  • F28F27/00 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
  • Y10T137/1189 - Freeze condition responsive safety systems

• US Classifications

  • 138 - Pipes and tubular conduits
  • 137 - Fluid handling
  • 165 - Heat exchange