US2919235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic method and apparatus for the production of metal hydroxide
Assignee: Individual
•
Filing: 1956-11-06
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Granted: 1959-12-29
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Expires: 1976-11-06
Abstract
No abstract record available.
Inventors
- 👤 Paul S Roller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:15
CPC Classifications
C; C25; C25B; C25B1/00; C25B9/00; C25B9/17; C25B1/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
THE METHOD OF ELECTROLYTIC GENERATION OF INSOLUBLE METAL HYDROXIDE FROM METAL ELECTRDES AND AN AQUEOUS LIQUID NON-SOLVENT TO THE METAL HYDROXIDE, WHICH COMPRISES PRODUCING METAL HYDROXIDE IN THE ELECTROLYTE BY PASSING ELECTOLYTIC CURRENT ACROSS THE ELECTRODES, AND GENERATING ULTRASONIC WAVES IN THE AQUEOUS LIQUID, WHEREBY THE ELECTODES ARE FREED OF SOFT INSULATING FILMS BEFORE HARDENING THEREOF AND THE EFFICIENCY OF THE ELECTROLYTIC GENERATION IS PROLONGED.
Claim 2
Independent Claim
65 words
THE METHOD OF ELECTROLYTIC GENERATION OF INSOLUBLE METAL HYDROXIDE FROM METAL ELECTRDES AND AN AQUEOUS LIQUID NON-SOLVENT TO THE METAL HYDROXIDE, WHICH COMPRISES PRODUCING METAL HYDROXIDE IN THE ELECTROLYTE BY PASSING ELECTOLYTIC CURRENT ACROSS THE ELECTRODES, AND GENERATING ULTRASONIC WAVES IN THE AQUEOUS LIQUID, WHEREBY THE ELECTODES ARE FREED OF SOFT INSULATING FILMS BEFORE HARDENING THEREOF AND THE EFFICIENCY OF THE ELECTROLYTIC GENERATION IS PROLONGED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |