3442247

Information

• Patent Grant
• 3442247

• References
• Source

• Patent Number

  3,442,247

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1969
  55 years ago

• CPC

  • E01F9/658 - characterised by means for fixing
  • E01F9/646 - extensible, collapsible or pivotable
  • E01F9/688 - Free-standing bodies

• US Classifications

  • 116 - Signals and indicators
  • 040 - Card, picture, or sign exhibiting
  • 343 - Communications: radio wave antennas