2168484

Information

• Patent Grant
• 2168484

• References
• Source

• Patent Number

  2,168,484

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1939
  85 years ago

• CPC

  • E01F9/658 - characterised by means for fixing
  • E01F9/688 - Free-standing bodies

• US Classifications

  • 116 - Signals and indicators