1790230

Information

• Patent Grant
• 1790230

• References
• Source

• Patent Number

  1,790,230

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1931
  94 years ago

• CPC

  • F02F3/08 - the inserts being ring-shaped
  • F05C2201/021 - Aluminium
  • Y10S70/61 - Die cast cylinder
  • Y10S164/08 - Piston
  • Y10T29/49256 - with assembly or composite article making

• US Classifications

  • 092 - Expansible chamber devices
  • 029 - Metal working
  • 070 - Locks
  • 164 - Metal founding