556118

Information

• Patent Grant
• 556118

• References
• Source

• Patent Number

  556,118

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1896
  128 years ago

• CPC

  • E01B9/24 - by keys

• US Classifications

  • 238 - Railways: surface track
  • 237 - Heating systems