Patent US3216919A successfully refreshed from Google Patents.
US3216919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic gas generator
Assignee: Individual
•
Filing: 1961-05-04
•
Granted: 1965-11-09
•
Expires: 1981-05-04
Abstract
No abstract record available.
Inventors
- 👤 Joseph C White
- 👤 Schuldiner Sigmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:30
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/04; C25B1/00; C25B1/01; C25B1/02; C25B1/04; C25B11/042; C25B11/046; C25B9/00; C25B9/17; C25B9/19; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A SYSTEM FOR THE PRODUCTION OF OXYGEN BY THE ELECTROLYSIS OF WATER WHICH COMPRISES IN COMBINATION PAIRED ELECTROLYTIC CELLS DESIGNED FOR OPERATION WITH AN AQUEOUS ALKALINE ELECTROLYTE AND ELECTRICALLY CONNECTGED IN SERIES FOR REVERSAL OF CURRENT FLOW THERETHROUGH AND ALTERNATE PRODUCTION OF OXYGEN THEREIN, SAID ELECTROLYTIC CELLS HAVING PAIRED PLATE ELECTRODES OF WHICH THE ONE ELECTRODE IS CADMIUM-ACTIVE AND THE OTHER IS FORMED ESSENTIALLY OF NICKEL-PALLADIUM ALLOY CONTAINING FROM ABOUT 0.1 TO 2% BY WEIGHT PALLADIUM.
Claim 2
Independent Claim
76 words
A SYSTEM FOR THE PRODUCTION OF OXYGEN BY THE ELECTROLYSIS OF WATER WHICH COMPRISES IN COMBINATION PAIRED ELECTROLYTIC CELLS DESIGNED FOR OPERATION WITH AN AQUEOUS ALKALINE ELECTROLYTE AND ELECTRICALLY CONNECTGED IN SERIES FOR REVERSAL OF CURRENT FLOW THERETHROUGH AND ALTERNATE PRODUCTION OF OXYGEN THEREIN, SAID ELECTROLYTIC CELLS HAVING PAIRED PLATE ELECTRODES OF WHICH THE ONE ELECTRODE IS CADMIUM-ACTIVE AND THE OTHER IS FORMED ESSENTIALLY OF NICKEL-PALLADIUM ALLOY CONTAINING FROM ABOUT 0.1 TO 2% BY WEIGHT PALLADIUM.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |