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US2467892A
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Regenerator chamber for mercury cathode electrolytic cell
Assignee: Honeywell International Inc
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Filing: 1942-09-18
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Granted: 1949-04-19
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Expires: 1962-09-18
Abstract
No abstract record available.
Inventors
- 👤 Roy A Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:10
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/005; C25B11/00; C25B11/02; C25B11/033; C25B9/30; C25B9/303; C25B9/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US908545A
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US1081949A
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US1121532A
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US1176551A
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US1374291A
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US1420211A
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US2232128A
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US2311744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |