3837830

Information

• Patent Grant
• 3837830

• References
• Source

• Patent Number

  3,837,830

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • F16L9/105 - of glass
  • B01L3/569 - Glassware
  • C03B23/076 - Shrinking the glass tube on to a mandrel
  • C03B23/207 - Uniting glass rods, glass tubes, or hollow glassware
  • F16L9/18 - Double-walled pipes Multi-channel pipes or pipe assemblies
  • F28D1/06 - with the heat-exchange conduits forming part of, or being attached to, the tank containing the body of fluid
  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • F28F21/006 - of glass

• US Classifications

  • 065 - Glass manufacturing
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing