1774925

Information

• Patent Grant
• 1774925

• References
• Source

• Patent Number

  1,774,925

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1930
  94 years ago

• CPC

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

• US Classifications

  • 246 - Railway switches and signals