3687229

Information

• Patent Grant
• 3687229

• References
• Source

• Patent Number

  3,687,229

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  53 years ago

• CPC

  • G01V1/06 - Ignition devices
  • G01V1/104 - using explosive charges

• US Classifications

  • 367 - Communications, electrical: acoustic wave systems and devices