3620245

Information

• Patent Grant
• 3620245

• References
• Source

• Patent Number

  3,620,245

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • B23B51/044 - with core holding devices
  • F16L41/065 - without removal of material
  • F16L47/345 - making use of attaching means embracing the pipe
  • B23B2215/72 - Tubes, pipes
  • B23B2260/1381 - Conical
  • Y10T29/49403 - Tapping device making
  • Y10T137/6123 - With aperture forming means

• US Classifications

  • 137 - Fluid handling
  • 029 - Metal working