1649274

Information

• Patent Grant
• 1649274

• References
• Source

• Patent Number

  1,649,274

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1927
  97 years ago

• CPC

  • B22D19/0018 - cylinders with fins
  • Y10T29/4927 - Cylinder, cylinder head or engine valve sleeve making

• US Classifications

  • 164 - Metal founding
  • 029 - Metal working