US3411203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric field tailoring of thin film resistors
Assignee: International Business Machines Corp
•
Filing: 1966-01-14
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Granted: 1968-11-19
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Expires: 1986-01-14
Abstract
No abstract record available.
Inventors
- 👤 Francis J Pakulski
- 👤 William L Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:32
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/22; H01C17/26; H01C17/265; H01B; H01B1/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2994847A
Cited
US3108019A
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US2945119A
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US3261082A
Cited
US3300561A
Cited
US3308528A
Cited
US3252831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |