1965930

Information

• Patent Grant
• 1965930

• References
• Source

• Patent Number

  1,965,930

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1934
  90 years ago

• CPC

  • B61L7/063 - Construction of driving mechanism
  • Y10T74/18312 - Grooved

• US Classifications

  • 074 - Machine element or mechanism
  • 246 - Railway switches and signals