US3373268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process controller having electrochemical cell integrating means
Assignee: General Electric Co
•
Filing: 1964-02-24
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Granted: 1968-03-12
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Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Clarence W Hewlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:55
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/36; G05B11/42; H; H03; H03F; H03F99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3219936A
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US3290563A
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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) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |