US2497918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current-control apparatus for potential-measuring apparatus
Assignee: Individual
•
Filing: 1945-09-21
•
Granted: 1950-02-21
•
Expires: 1965-09-21
Abstract
No abstract record available.
Inventors
- 👤 Edward C Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:26
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1487108A
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US2008855A
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US1971146A
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US2079485A
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US2218629A
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US2373997A
Cited
US2391801A
Cited
US2372432A
Cited
US2451953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |