US2870078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cells for electro-chemical measurements
Assignee: H Z Corp
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Filing: 1953-08-14
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Granted: 1959-01-20
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Expires: 1973-08-14
Abstract
No abstract record available.
Inventors
- 👤 John W Hood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:28
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/4166
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A CELL FOR USE IN MAKING ELECTRO-CHEMICAL MEASUREMENTS OF LIQUIDS SUCH AS RAW SEWAGE AND SLURRIES CONTINUOUSLY FLOWING THERTHROUGH, COMPRISING AN ELECTRICALLY NON-CONDUCTIVE BODY HAVING A CONTINUOUS STRAIGHTTHROUGH BORE, STRAIGHT TUBULAR MEANS FOR PROVIDING CONTINUOUSLY SUBSTANTIALLY UNOBSTRUCTED FLOW FOR SAID LIQUIDS THROUGH SAID BORE, MEANS AT THE END OF SAID MEANS PROVIDING FOR THE INTRODUCTION AND DISCHARGE OF SAID LIQUIDS, A NOBLE METAL ELECTRODE FLUSHLY RECESSED IN A PORTION OF SAID BORE, AN APERTURE PERPENDICULAR TO SAID BORE CONTAINING A POROUS PLUG, THE SURFACE OF THE PLUG BEING FLUSH WITH THE SURFACE OF SAID BORE, HALF-CELL MEANS PROVIDING A HALF-CELL AND SALT BRIDGE PROVIDING ELECTRICAL COMMUNICATION BETWEEN SAID HALF-CELL AND SAID POROUS PLUG, SAID SALT BRIDGE HAVING AN ELONGATED RESERVOIR FOR AN ELECTROLYTE IN AXIAL ALINEMENT WITH SAID APERTURE; AND ELECTRICAL MEASURING MEANS CONNECTED TO SAID METAL ELECTRODE AND SAID HALF-CELL.
Claim 2
Dependent Claim
141 words
A CELL FOR USE IN MAKING ELECTRO-CHEMICAL MEASUREMENTS OF LIQUIDS SUCH AS RAW SEWAGE AND SLURRIES CONTINUOUSLY FLOWING THERTHROUGH, COMPRISING AN ELECTRICALLY NON-CONDUCTIVE BODY HAVING A CONTINUOUS STRAIGHTTHROUGH BORE, STRAIGHT TUBULAR MEANS FOR PROVIDING CONTINUOUSLY SUBSTANTIALLY UNOBSTRUCTED FLOW FOR SAID LIQUIDS THROUGH SAID BORE, MEANS AT THE END OF SAID MEANS PROVIDING FOR THE INTRODUCTION AND DISCHARGE OF SAID LIQUIDS, A NOBLE METAL ELECTRODE FLUSHLY RECESSED IN A PORTION OF SAID BORE, AN APERTURE PERPENDICULAR TO SAID BORE CONTAINING A POROUS PLUG, THE SURFACE OF THE PLUG BEING FLUSH WITH THE SURFACE OF SAID BORE, HALF-CELL MEANS PROVIDING A HALF-CELL AND SALT BRIDGE PROVIDING ELECTRICAL COMMUNICATION BETWEEN SAID HALF-CELL AND SAID POROUS PLUG, SAID SALT BRIDGE HAVING AN ELONGATED RESERVOIR FOR AN ELECTROLYTE IN AXIAL ALINEMENT WITH SAID APERTURE; AND ELECTRICAL MEASURING MEANS CONNECTED TO SAID METAL ELECTRODE AND SAID HALF-CELL.
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |