2829438

Information

• Patent Grant
• 2829438

• References
• Source

• Patent Number

  2,829,438

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1958
  66 years ago

• CPC

  • E01B35/04 - Wheeled apparatus
  • E01B2203/16 - Guiding or measuring means

• US Classifications

  • 033 - Geometrical instruments
  • 200 - Electricity: circuit makers and breakers
  • 246 - Railway switches and signals