2303778

Information

• Patent Grant
• 2303778

• References
• Source

• Patent Number

  2,303,778

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1942
  82 years ago

• CPC

  • F16L13/0254 - the pipes having an internal or external coating
  • F16L58/08 - by metal

• US Classifications

  • 204 - Chemistry: electrical and wave energy
  • 138 - Pipes and tubular conduits