2401955

Information

• Patent Grant
• 2401955

• References
• Source

• Patent Number

  2,401,955

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1946
  78 years ago

• CPC

  • G08B3/14 - using explosives

• US Classifications

  • 381 - Electrical audio signal processing systems and devices
  • 340 - Communications: electrical
  • 367 - Communications, electrical: acoustic wave systems and devices