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US3434893A Expired / Lapsed US ⏱️ 0.0 years remaining

Semiconductor device with a lateral retrograded pn junction

Assignee: Honeywell Inc
•
Filing: 1965-06-28
•
Granted: 1969-03-25
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Expires: 1985-06-28
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Abstract

No abstract record available.

Inventors

  • 👤 Harold C Josephs
  • 👤 James David Zook

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 01:13
CPC Classifications
H; H10; H10P; H10P95/00; H10P32/00; Y; Y10; Y10S; Y10S148/00; Y10S148/049; Y10S148/145

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3149395A Cited
US3226614A Cited
US3264707A Cited
US3341381A Cited
US3338758A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-03-24 1972-09-23 1973-03-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-03-24 1976-09-23 1977-03-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-03-24 1980-09-23 1981-03-25 $7700.00 Window Closed / Lapsed

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