Patent US4295897B1 successfully refreshed from Google Patents.
US4295897B1
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Method of making cmos integrated circuit device
Assignee: Texas Instruments Inc
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Filing: 1979-10-03
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Granted: 1997-09-09
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Expires: 1999-10-03
Abstract
No abstract record available.
Inventors
- 👤 Graham S Tubbs
- 👤 James E Ponder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:49
CPC Classifications
H; H10; H10W; H10W10/00; H10W10/10; H10W10/13; H10D; H10D84/00; H10D84/01; H10D84/0123; H10D84/0126; H10D84/0165; H10D84/0193; H10D84/02; H10D84/03; H10D84/038; H10P; H10P30/00; H10P30/20; H10P30/22; H10P76/00; H10P76/40; H10W10/01; H10W10/011; H10W10/012; H10W10/0125; H10W10/0126; H10W10/0127; Y; Y10; Y10S; Y10S148/00; Y10S148/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-09-08 | 2001-03-10 | 2001-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-09-08 | 2005-03-10 | 2005-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-09-08 | 2009-03-10 | 2009-09-09 | $7700.00 | Window Closed / Lapsed |