Patent US1524937A successfully refreshed from Google Patents.
US1524937A
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US
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Electrode for electrolytic conductivity cells
Assignee: Brown Instruments Co
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Filing: 1924-01-10
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Granted: 1925-02-03
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Expires: 1944-01-10
Abstract
No abstract record available.
Inventors
- 👤 Earl A Keeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:21
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/06; G01N27/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-02-03 | 1928-08-04 | 1929-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-02-03 | 1932-08-04 | 1933-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-02-03 | 1936-08-04 | 1937-02-03 | $7700.00 | Window Closed / Lapsed |