1651547

Information

• Patent Grant
• 1651547

• References
• Source

• Patent Number

  1,651,547

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1927
  98 years ago

• CPC

  • B23K9/232 - of different metals
  • Y10S164/13 - Valve
  • Y10T29/49304 - Valve tappet making
  • Y10T29/49314 - with assembly or composite article making

• US Classifications

  • 219 - Electric heating
  • 029 - Metal working
  • 164 - Metal founding