US2896095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemical element for automatic control
Assignee: Individual
•
Filing: 1957-06-27
•
Granted: 1959-07-21
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Expires: 1977-06-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert B Reed
- 👤 Nelson N Estes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
H; H01; H01G; H01G11/00; H01G11/02; G; G01; G01F; G01F1/00; G01F1/56; G01F1/64; G05; G05B; G05B5/00; G05B5/01; H01G11/22; H01G11/26; H01G11/30; H01G11/32; H01G11/42; H01G9/00; H01G9/22; Y; Y02; Y02E; Y02E60/00; Y02E60/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |