1348640

Information

• Patent Grant
• 1348640

• References
• Source

• Patent Number

  1,348,640

• Date Filed

  Not available

• Date Issued

  Tuesday, August 3, 1920
  105 years ago

• CPC

  • F16J9/18 - with separate bridge-elements
  • Y10T29/49274 - Piston ring or piston packing making

• US Classifications

  • 277 - Seal for a joint or juncture
  • 029 - Metal working
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener