1814608

Information

• Patent Grant
• 1814608

• References
• Source

• Patent Number

  1,814,608

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1931
  93 years ago

• CPC

  • B61L29/224 - using rail contacts
  • Y10T74/20006 - Resilient connections

• US Classifications

  • 251 - Valves and valve actuation
  • 074 - Machine element or mechanism
  • 185 - Motors: spring, weight, or animal powered
  • 267 - Spring devices