3158851

Information

• Patent Grant
• 3158851

• References
• Source

• Patent Number

  3,158,851

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1964
  60 years ago

• CPC

  • A61H3/068 - Sticks for blind persons
  • A61H3/061 - with electronic detecting or guiding means
  • A61H2003/063 - with tactile perception
  • Y10S135/91 - Illuminated cane or umbrella
  • Y10S135/911 - Cane for the blind

• US Classifications

  • 340 - Communications: electrical
  • 135 - Tent, canopy, umbrella, or cane
  • 200 - Electricity: circuit makers and breakers