2921538

Information

• Patent Grant
• 2921538

• References
• Source

• Patent Number

  2,921,538

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1960
  65 years ago

• CPC

  • E01B35/04 - Wheeled apparatus
  • E01B33/08 - Boom track-slewing machines
  • E01B2203/16 - Guiding or measuring means

• US Classifications

  • 104 - Railways