1935109

Information

• Patent Grant
• 1935109

• References
• Source

• Patent Number

  1,935,109

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1933
  91 years ago

• CPC

  • B22C9/26 - for ribbed tubes for radiators
  • Y10T29/4927 - Cylinder, cylinder head or engine valve sleeve making

• US Classifications

  • 029 - Metal working
  • 123 - Internal-combustion engines