Patent US4853560B1 successfully refreshed from Google Patents.
US4853560B1
Expired / Lapsed
US
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Logic circuit and semiconductor integrated circuit device capable of operating by different power supplies
Assignee: Hitachi Ltd
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Filing: 1988-01-27
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Granted: 1993-09-07
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Expires: 2008-01-27
Abstract
No abstract record available.
Inventors
- 👤 Iwamura Masahiro
- 👤 Maejima Hideo
- 👤 Masuda Ikuro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:50
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/0175; H03K19/017545; H03K19/0185; H03K19/018585; H03K19/02; H03K19/08; H03K19/094; H03K19/0944; H03K19/09448
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) | 1996-09-06 | 1997-03-08 | 1997-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-09-06 | 2001-03-08 | 2001-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-09-06 | 2005-03-08 | 2005-09-07 | $7700.00 | Window Closed / Lapsed |