US3456128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential amplifier voltage comparison circuitry including a network for converting spurious normal mode signals to common mode signals
Assignee: Monsanto Co
•
Filing: 1965-12-22
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Granted: 1969-07-15
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Expires: 1985-12-22
Abstract
No abstract record available.
Inventors
- 👤 Ronald G Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:43
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/22; H03K5/24; H03K5/2463
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2949546A
Cited
US2941155A
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US3128435A
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US3054910A
Cited
US3215854A
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US3328607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |