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US3363760A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making a double diffused semicondictor device by a double masking step

Assignee: US Philips Corp
•
Filing: 1967-05-15
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Granted: 1968-01-16
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Expires: 1987-05-15
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Abstract

No abstract record available.

Inventors

  • 👤 Klein Thomas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:15
CPC Classifications
H; H10; H10P; H10P32/00; C; C30; C30B; C30B31/00; C30B31/06; H10D; H10D99/00; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/049; Y10S148/062; Y10S148/106; Y10S148/173

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3064167A Cited
US3226611A Cited
US3281915A Cited
US3287188A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-15 1971-07-17 1972-01-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-15 1975-07-17 1976-01-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-15 1979-07-17 1980-01-16 $7700.00 Window Closed / Lapsed

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