2981556

Information

• Patent Grant
• 2981556

• References
• Source

• Patent Number

  2,981,556

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1961
  63 years ago

• CPC

  • F17C1/00 - Pressure vessels
  • F16L41/084 - Soldered joints
  • F22G3/009 - Connecting or sealing of superheater or reheater tubes with collectors or distributors
  • F17C2201/0109 - with exteriorly curved end-piece
  • F17C2203/0617 - with one layer
  • F17C2203/0636 - Metals
  • F17C2203/0639 - Steels
  • F17C2205/0305 - Bosses
  • F17C2209/221 - Welding
  • F17C2209/232 - of walls
  • F17C2260/011 - Improving strength

• US Classifications

  • 285 - Pipe joints or couplings