Patent US2872596A successfully refreshed from Google Patents.
US2872596A
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Transistor voltage comparator
Assignee: Raytheon Co
•
Filing: 1955-03-31
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Granted: 1959-02-03
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Expires: 1975-03-31
Abstract
No abstract record available.
Inventors
- 👤 Richard A Day
- 👤 Lee J Bateman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:49
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/22; H03K5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2540923A
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US2620448A
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US2745012A
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US2757243A
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US2644893A
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US2764688A
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US2758208A
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US2777092A
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US2799784A
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US2802118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |