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US3001111A Expired / Lapsed US ⏱️ 0.0 years remaining

Structures for a field-effect transistor

Assignee: Individual
•
Filing: 1960-09-26
•
Granted: 1961-09-19
•
Expires: 1980-09-26
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Abstract

No abstract record available.

Inventors

  • 👤 Marc A Chappey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:28
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/60; H10D30/00; H10D30/80; H10D62/10; H10D99/00; H10P; H10P95/00; H10P95/50

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2778885A Cited
US2778956A Cited
US2754431A Cited
US2697052A Cited
US2820154A Cited
US2987659A Cited
US2869055A Cited
US2952804A Cited
US2971140A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-09-18 1965-03-20 1965-09-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-09-18 1969-03-20 1969-09-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-09-18 1973-03-20 1973-09-19 $7700.00 Window Closed / Lapsed

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