2727650

Information

• Patent Grant
• 2727650

• References
• Source

• Patent Number

  2,727,650

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1955
  69 years ago

• CPC

  • F16L55/1683 - by means of a patch which is fixed on the wall of the pipe by means of an adhesive, a weld or the like
  • Y10S206/818 - Magnet
  • Y10S428/90 - Magnetic feature
  • Y10S454/904 - Magnetic means to hold a damper closed
  • Y10T29/49732 - by attaching repair preform, e.g., remaking, restoring, or patching
  • Y10T292/11 - Magnetic
  • Y10T292/34 - Portable

• US Classifications

  • 220 - Receptacles
  • 029 - Metal working
  • 138 - Pipes and tubular conduits
  • 206 - Special receptacle or package
  • 292 - Closure fasteners
  • 428 - Stock material or miscellaneous articles
  • 454 - Ventilation