US2853630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuits for clamping voltage levels in gating matrices
Assignee: Raytheon Co
•
Filing: 1954-06-08
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Granted: 1958-09-23
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Expires: 1974-06-08
Abstract
No abstract record available.
Inventors
- 👤 Claude A Lane
- 👤 Donald H A Hageman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:54
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2672283A
Cited
US2535912A
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US2686299A
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US2689910A
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US2712065A
Cited
US2789218A
Cited
US2683807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |