1648722

Information

• Patent Grant
• 1648722

• References
• Source

• Patent Number

  1,648,722

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1927
  97 years ago

• CPC

  • C22C32/0084 - carbon or graphite as the main non-metallic constituent
  • C22C9/00 - Alloys based on copper
  • Y10S292/58 - Lubrication
  • Y10T70/7588 - Rotary plug
  • Y10T70/7684 - Plug
  • Y10T70/8919 - Antifriction provisions

• US Classifications

  • 419 - Powder metallurgy processes
  • 070 - Locks
  • 292 - Closure fasteners
  • 508 - Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions