Oxygen analyzing instrument
Abstract
Abstract AN INSTRUMENT FOR INDICATING BY ITS OUTPUT THE DISSOLVED OXYGEN CONTENT IN LIQUIDS. THE INSTRUMENT HAS AN ELECTRIC CURRENT GENERATING SOURCE THEREIN EMPLOYS A NOVEL STRUCTURE WHICH EVENLY DISTRIBUTES AN ELECTROLYTE OF SUCH SOURCE OF A DETECTING SURFACE OF THE INSTRUMENT WHEREBY DISSOLVED OXYGEN IN THE LIQUID REACTS WITH THE ELECTROLYTE TO CONTROL THE OUTPUT OF THE INSTRUMENT. THE EVEN DISTRIBUTION OF THE ELECTROLYTE ON THE DETECTING SURFACES OF THE INSTRUMENT UTILIZES AN INNER LAYER OF ELECTROLYTE ABSORBING MATERIAL AND AN OUTER LAYER HAVING MINUTE PERFORATIONS FOR ADMITTING OXYGEN. THE INSTRUMENT IS DESIGNED PARTICULARLY FOR PORTABLE USE AND IS ADAPTED TO HAVE A NOVEL COMBINATION WITH A HOLDER WHICH INCLUDES MEANS FOR REMOVABLY SUPPORTING THE INSTRUMENT AND AN ELECTRIC CURRENT RESPONSIVE INSTRUMENT ELECTRICALLY CONNECTED THERETO AND ARRANGED TO DESIGNATE THE DISSOLVED OXYGEN CONTENT OF THE LIQUID IN WHICH A PORTION OF THE ANALYZING INSTRUMENT IS SUBMERGED. THE PRESENT ANALYZING INSTRUMENT ALSO IS DESIGNED FOR CONTROLLING THE OPERATION OF AN OZONE GENERATOR THROUGH THE MEDIUM OF A ELECTRIC CURRENT RESPONSIVE INSTRUMENT AND RELAY MEANS OPERATED BY THE LATTER INSTRUMENT.
Inventors
- 👤 J Arff
- 👤 J Burns
Bibliographic Details
Claims Analysis
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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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |