US3269924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Galvanic cell and method for measuring oxygen traces in gases
Assignee: HJ Zimmer Verfahrenstechnik
•
Filing: 1961-03-16
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Granted: 1966-08-30
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Expires: 1981-03-16
Abstract
No abstract record available.
Inventors
- 👤 Nessler Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:22
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A METHOD FOR MEASURING OXYGEN RACES IN A GAS, IN A GALVANIC CELL INCLUDING A LIQUID ELECTROLYTE, A GAS CHAMBER THEREABOVE, A PARTLY IMMERSED CATHODE, AND A COMPLETELY IMMERSED ANODE, THE IMPROVEMENT WHICH COMPRISES INTRODUCING THE GAS INTO THE ELECTROLYTE BELOW THE CATHODE AND ABOVE THE ANODE, WHEREBY SAID GAS IS MAINTAINED OUT OF CONTACT WITH SAID ANODE AND RISES THROUGH SAID ELECTROLYTE PAST SAID CATHODE, AND MAINTAINING AT SUBSTANTIALLY CONSTANT LENGTH, DESPITE CHANGES IN ELECTROLYTE LEVEL, THE LINE OF CONTACT AT WHICH THE ELECTROLYTE THE GAS PHASE, AND THE CATHODE MEET.
Claim 2
Dependent Claim
93 words
IN A METHOD FOR MEASURING OXYGEN RACES IN A GAS, IN A GALVANIC CELL INCLUDING A LIQUID ELECTROLYTE, A GAS CHAMBER THEREABOVE, A PARTLY IMMERSED CATHODE, AND A COMPLETELY IMMERSED ANODE, THE IMPROVEMENT WHICH COMPRISES INTRODUCING THE GAS INTO THE ELECTROLYTE BELOW THE CATHODE AND ABOVE THE ANODE, WHEREBY SAID GAS IS MAINTAINED OUT OF CONTACT WITH SAID ANODE AND RISES THROUGH SAID ELECTROLYTE PAST SAID CATHODE, AND MAINTAINING AT SUBSTANTIALLY CONSTANT LENGTH, DESPITE CHANGES IN ELECTROLYTE LEVEL, THE LINE OF CONTACT AT WHICH THE ELECTROLYTE THE GAS PHASE, AND THE CATHODE MEET.
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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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |