3004507

Information

• Patent Grant
• 3004507

• References
• Source

• Patent Number

  3,004,507

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1961
  63 years ago

• CPC

  • F42B19/42 - by releasing solid ballast

• US Classifications

  • 114 - Ships
  • 340 - Communications: electrical