US3158028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Physical condition measuring systems
Assignee: Industrial Nucleonics Corp
•
Filing: 1960-09-19
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Granted: 1964-11-24
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Expires: 1980-09-19
Abstract
No abstract record available.
Inventors
- 👤 Henry R Chope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:15
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/48; G01K; G01K5/00; G01K5/48; G01K5/56; G01K5/62; G01K5/70; G01K5/72
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
A DIGITAL TRANSDUCER FOR MEASURING PRESSURE OR OTHER PHYSICAL VARIABLE THAT CAN BE COUPLED TO A MOVING PLATE OF A CONDENSER, A CONDENSER WITH ONE FIXED PLATE AND ONE VARIABLE PLATE WHOSE POSITION IS CHANGED IN ACCORDANCE WITH CHANGES IN A MEASURED VARIABLE, AN OSCILLATOR WITH TANK CIRCUIT CONSISTING OF AN INDUCTOR AND THE SAID CONDENSER, AN ELECTRONIC CLIPPER CIRCUIT TO PRODUCE A TRAIN OF UNIDIRECTIONAL PULSES RELATED IN NUMBER TO THE PHYSICAL VARIABLE BEING MEASURED, A PULSE COUNTING CIRCUIT, A DIGITAL READOUT DEVICE FOR REGISTERING THE COUNT OF THE PULSES
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |