US3372333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential capacitor transducer apparatus having coarse and fine adjustments and means for changing scale span
Assignee: Sheffield Corp
•
Filing: 1964-09-28
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Granted: 1968-03-05
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Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Robert E Esch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:13
CPC Classifications
H; H03; H03M; H03M1/00; G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/24; G01D5/241; G01D5/2412; G01D5/2415; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1436; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1959804A
Cited
US1970442A
Cited
US3071758A
Cited
US3242472A
Cited
US3296522A
Cited
US3297941A
Cited
US3244956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |