1699886

Information

• Patent Grant
• 1699886

• References
• Source

• Patent Number

  1,699,886

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1929
  96 years ago

• CPC

  • E01C1/007 - Design or auxiliary structures for compelling drivers to slow down or to proceed with caution

• US Classifications

  • 238 - Railways: surface track