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US3278886A Expired / Lapsed US ⏱️ 0.0 years remaining

Electronic device

Assignee: National Video Corp
•
Filing: 1964-09-25
•
Granted: 1966-10-11
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Expires: 1984-09-25
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Abstract

No abstract record available.

Inventors

  • 👤 Horst H Blumenberg
  • 👤 James W Schwartz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 06:24
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/74; H01R33/76; H01R33/7607; H01R33/7614; H01R33/7621; H01J; H01J5/00; H01J5/50; H01J5/54

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 145 words
A VACUUM TUBE BASE AND SOCKET STRUCTURE FOR PREVENTING ARCING BETWEEN A HIGH VOLTAGE PIN AND ADJACENT PINS, SAID BASE STRUCTURE HAVING A PLURALITY OF OPENINGS THEREIN FOR RECEIVING THE VACUUM TUBE PINS INCLUDING THE HIGH VOLTAGE PIN, A FIRST NON-CONDUCTIVE SHIELDING WALL EXTENDING REARWARDLY FROM THE REAR FACE OF THE TUBE BASE AND SURRONDING THE HIGH VOLTAGE PIN, SAID TUBE SOCKET HAVING A PLRUALITY OF OPENINGS FOR RECEIVING THE TUBE PINS INCLUDING THE HIGH VOLTAGE PIN, SAID TUBE SOCKET FURTHER INCLUDING SLOTS ON THE FORWARD FACE THEREOF ON OPPOSITE SIDES OF THE HIGH VOLTAGE PIN FOR RECEIVING SAID FIRST SHIELDING WALL AND A V SHAPED SECOND NON-CONDUCTIVE SHIELDING WALL POSITIONED ON THE REAR FACE OF THE TUBE SOCKET BETWEEN THE HIGHT VOLTAGE PIN AND ADJACENT PINS, SAID FIRST AND SECOND SHIELDING WALLS ACTING TO PREVENT ARCING FROM THE HIGH VOLTAGE PIN TO ADJACENT PINS.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-10 1970-04-11 1970-10-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-10 1974-04-11 1974-10-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-10 1978-04-11 1978-10-11 $7700.00 Window Closed / Lapsed

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