2134962

Information

• Patent Grant
• 2134962

• References
• Source

• Patent Number

  2,134,962

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1938
  85 years ago

• CPC

  • B61L1/184 - Use of additional conductors for examining leakages between rails

• US Classifications

  • 246 - Railway switches and signals