US3414740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated insulated gate field effect logic circuitry
Assignee: International Business Machines Corp
•
Filing: 1965-09-08
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Granted: 1968-12-03
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Expires: 1985-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jack R Dailey
- 👤 Nicholas M Guydosh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:04
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/80; H10D84/82; H10D84/83; H03; H03K; H03K19/00; H03K19/02; H03K19/173; H03K19/1733; H03K19/1735; H10D84/811; H10D84/817
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3258663A
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US3191061A
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US3233123A
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US3289093A
Cited
US3296547A
Cited
US3275996A
Cited
US3284782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |