3621237

Information

• Patent Grant
• 3621237

• References
• Source

• Patent Number

  3,621,237

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • B61L5/065 - Construction of driving mechanism

• US Classifications

  • 246 - Railway switches and signals
  • 053 - Package making