US4937475B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser programmable integrated circuit
Assignee: Massachusetts Institute of Technology
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Filing: 1988-09-19
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Granted: 1994-03-29
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Expires: 2008-09-19
Abstract
No abstract record available.
Inventors
- 👤 Rhodes F Matthew
- 👤 Jack I Raffel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:55
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/173; H03K19/177; H03K19/17748; H03K19/1733; H03K19/1735; H03K19/1736; H03K19/17704; H03K19/17724; H03K19/17728; H03K19/1778; H04; H04Q; H04Q3/00; H04Q3/42; H04Q3/52; H04Q3/521; H04Q3/523
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) | 1997-03-28 | 1997-09-27 | 1998-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-03-28 | 2001-09-27 | 2002-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-03-28 | 2005-09-27 | 2006-03-29 | $7700.00 | Window Closed / Lapsed |