2669012

Information

• Patent Grant
• 2669012

• References
• Source

• Patent Number

  2,669,012

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1954
  70 years ago

• CPC

  • B21C37/26 - helically-ribbed tubes
  • Y10S116/33 - Indicator for elevated cables
  • Y10T29/49382 - Helically finned

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming
  • 116 - Signals and indicators