2977540

Information

• Patent Grant
• 2977540

• References
• Source

• Patent Number

  2,977,540

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1961
  63 years ago

• CPC

  • H03K23/82 - using gas-filled tubes

• US Classifications

  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems