US3471714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operational amplifier analog logic functions
Assignee: RTX Corp
•
Filing: 1966-06-07
•
Granted: 1969-10-07
•
Expires: 1986-06-07
Abstract
No abstract record available.
Inventors
- 👤 Louis M Gugliotti Jr
- 👤 John C Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:54
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/25; H; H03; H03G; H03G11/00; H03G11/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2789164A
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US3140406A
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US2964656A
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US3077566A
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US3119029A
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US3163829A
Cited
US3166681A
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US3303380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |