1446468

Information

• Patent Grant
• 1446468

• References
• Source

• Patent Number

  1,446,468

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1923
  102 years ago

• CPC

  • B21D19/16 - Reverse flanging of tube ends
  • Y10T29/4941 - Valve stem or tire valve making

• US Classifications

  • 029 - Metal working