1542894

Information

• Patent Grant
• 1542894

• References
• Source

• Patent Number

  1,542,894

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1925
  99 years ago

• CPC

  • A61H3/068 - Sticks for blind persons
  • Y10S135/911 - Cane for the blind

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 135 - Tent, canopy, umbrella, or cane
  • D03 - Travel goods and personal belongings
  • D10 - Measuring, testing, or signalling instruments