Patent US3858028A successfully refreshed from Google Patents.
Patent US3588481A successfully refreshed from Google Patents.
US3588481A
Expired / Lapsed
US
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Digital multiplying circuit
Assignee: Daniel Industries Inc
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Filing: 1969-05-01
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Granted: 1971-06-28
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Expires: 1989-05-01
Abstract
Abstract THIS APPLICATION DISCLOSES A DIGITAL MULTIPLYING CIRCUIT FOR USE IN CONNECTING ACTUAL FLUID VOLUME MEASUREMENTS TO A STANDARD VOLUME BY RECEIVING AN ANALOG SIGNAL REPRESENTATIVE OF AT LEAST ONE OF THE PARAMETERS OF PRESSURE AND TEMPERATURE, DIGITIZING THE ANALOG SIGNAL, MULTIPLYING THE DIGITIZED SIGNAL REPRESENTATIVE OF THE MEASURED PARAMETERS THE DIGITIZED SIGNAL REPRESENTATIVE OF THE ACTUAL MEASURED COLUME OF FLUID, AND COUNTING THE DIGITAL PULSE PRODUCT FOR OBTAINING STANDARD MEASURE OF THE FLUID VOLUME.
Inventors
- 👤 Larry J Stroman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:13
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/60; G06F7/68; G01; G01F; G01F15/00; G01F15/02; G01F15/022; G01F15/024; G01F15/06; G01F15/061; G01F15/063; 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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |