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Patent US2941131A successfully refreshed from Google Patents.
US2941131A
Expired / Lapsed
US
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Semiconductive apparatus
Assignee: Lanteris Space LLC
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Filing: 1955-05-13
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Granted: 1960-06-14
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Expires: 1975-05-13
Abstract
No abstract record available.
Inventors
- 👤 Richard A Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:50
CPC Classifications
H; H10; H10P; H10P95/00; H10P95/50; H10D; H10D99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2701326A
Cited
FR1038658A
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US2765516A
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FR1078688A
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FR1080034A
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US2742383A
Cited
US2759133A
Cited
US2764642A
Cited
US2790034A
Cited
US2725505A
Cited
US2833969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |