2138962

Information

• Patent Grant
• 2138962

• References
• Source

• Patent Number

  2,138,962

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1938
  87 years ago

• CPC

  • H01H35/00 - Switches operated by change of a physical condition
  • E01B2202/025 - Pure translation

• US Classifications

  • 104 - Railways