US2415135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brine flush out for electrolytic cells
Assignee: Solvay Process Co
•
Filing: 1942-09-18
•
Granted: 1947-02-04
•
Expires: 1962-09-18
Abstract
No abstract record available.
Inventors
- 👤 Roy A Horst
- 👤 Eugene B Port
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:13
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/70; C25B11/00; C25B11/02; C25B11/033; C25B9/30; C25B9/303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US914214A
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US1117879A
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US1961160A
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US2232128A
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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) | 1950-02-03 | 1950-08-05 | 1951-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-03 | 1954-08-05 | 1955-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-03 | 1958-08-05 | 1959-02-04 | $7700.00 | Window Closed / Lapsed |