US2598228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic apparatus
Assignee: Wyandotte Chemicals Corp
•
Filing: 1945-02-03
•
Granted: 1952-05-27
•
Expires: 1965-02-03
Abstract
No abstract record available.
Inventors
- 👤 Cox Robert Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:38
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/70; C25B11/00; C25B11/02; C25B11/033; C25B9/005; C25B9/13; C25B9/30; C25B9/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US908545A
Cited
US661188A
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US673754A
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GB189817415A
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US709971A
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US1411507A
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US1784066A
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US1712952A
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US1900996A
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US2083648A
Cited
US2248363A
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US2234967A
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GB490911A
Cited
FR836742A
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US2316685A
Cited
US2336045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |