US3470367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide-range analog-to-digital integrator for use with analytical measuring instruments
Assignee: INFOTRONICS CORP
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Filing: 1965-04-09
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Granted: 1969-09-30
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Expires: 1985-04-09
Abstract
No abstract record available.
Inventors
- 👤 Clinton D Frisby
- 👤 David W Spence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:38
CPC Classifications
H; H03; H03K; H03K7/00; H03K7/06; G; G01; G01N; G01N30/00; G01N30/02; G01N30/86; G01N30/8603; G01N30/8606; G01R; G01R17/00; H03K5/00; H03K5/153; H03M; H03M1/00; H03M1/12; H03M1/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |