Patent US2537304A successfully refreshed from Google Patents.
US2537304A
Expired / Lapsed
US
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Electrolytic process and apparatus
Assignee: California Research LLC
•
Filing: 1946-10-07
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Granted: 1951-01-09
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Expires: 1966-10-07
Abstract
No abstract record available.
Inventors
- 👤 Paul C Condit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:53
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/02; C25B11/033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1981498A
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GB471912A
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US2307835A
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US2316685A
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US2336045A
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US2477579A
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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) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |