US3718923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bipolar floating input,particularly for digital panel meters
Assignee: Gordon Engineering Co
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Filing: 1971-03-17
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Granted: 1973-02-27
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Expires: 1991-03-17
Abstract
Abstract IN A BIPOLAR FLOATING INPUT DEVICE, PARTICULARLY FOR DUALSLOPE INTEGRATION DIGITAL PANEL METERS, AN ANALOG VOLTAGE IS APPLIED TO A BIPOLAR FLOATING INPUT CIRCUIT AND A DIGITAL FORM OF THE ANALOG VOLTAGE IS PRESENTED BY A DISPLAY.
Inventors
- 👤 J Horwitz
- 👤 B Gordon
- 👤 B Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:51
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/50; H03M1/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |