3906884

Information

• Patent Grant
• 3906884

• References
• Source

• Patent Number

  3,906,884

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1975
  49 years ago

• CPC

  • G10K1/068 - hydraulically operated pneumatically operated
  • G01V1/147 - using impact of dropping masses

• US Classifications

  • 114 - Ships
  • 102 - Ammunition and explosives
  • 181 - Acoustics
  • 367 - Communications, electrical: acoustic wave systems and devices