2222340

Information

• Patent Grant
• 2222340

• References
• Source

• Patent Number

  2,222,340

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1940
  84 years ago

• CPC

  • B61L5/203 - Detonators; Track mounting means; Composition of the detonative product

• US Classifications

  • 246 - Railway switches and signals