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Patent US2656314A successfully refreshed from Google Patents.
US2656314A
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Corrosion preventing means
Assignee: McGraw Electric Co
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Filing: 1947-05-28
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Granted: 1953-10-20
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Expires: 1967-05-28
Abstract
No abstract record available.
Inventors
- 👤 Clark M Osterheld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:14
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
THE COMBINATION WITH A FERROUS METAL DOMESTIC HOT WATER TANK IN WHICH COLD WATER SUPPLIED FROM ANY OF THE CONVENTIONALLY AVAILABLE WATER SOURCES IS RECURRENTLY INPUT AND HEATED, AND FROM WHICH HOT WATER IS WITHDRAWN AT RECURRENT TIMES AND IN VARYING AMOUNT ACCORDING TO DEMAND, OF ANTI-CORROSION MEANS FOR PROTECTING THE TANK INTERIOR AGAINST CORROSION COMPRISING AN ELONGATED SACRIFICAL MAGNESIUM METAL ANODE OF SUBSTANTIALLY SMALLER CROSS-SECTION THAN THE TANK LOCATED WITHIN THE TANK TO BE SURROUNDED BY THE TANK WATER AND RELATIVELY DISTANT FROM AREAS OF THE TANK TO BE PROTECTED, AND ELECTRICALLY CONDUCTIVE MEANS CONNECTING THE ANODE TO THE TANK AND ADAPTING THE ANODE TO SUPPLY A GALVANIC CURRENT FLOW TO AREA OF THE TANK METAL WHEN EXPOSED TO CONTACT WITH THE TANK WATER.
Claim 2
Dependent Claim
125 words
THE COMBINATION WITH A FERROUS METAL DOMESTIC HOT WATER TANK IN WHICH COLD WATER SUPPLIED FROM ANY OF THE CONVENTIONALLY AVAILABLE WATER SOURCES IS RECURRENTLY INPUT AND HEATED, AND FROM WHICH HOT WATER IS WITHDRAWN AT RECURRENT TIMES AND IN VARYING AMOUNT ACCORDING TO DEMAND, OF ANTI-CORROSION MEANS FOR PROTECTING THE TANK INTERIOR AGAINST CORROSION COMPRISING AN ELONGATED SACRIFICAL MAGNESIUM METAL ANODE OF SUBSTANTIALLY SMALLER CROSS-SECTION THAN THE TANK LOCATED WITHIN THE TANK TO BE SURROUNDED BY THE TANK WATER AND RELATIVELY DISTANT FROM AREAS OF THE TANK TO BE PROTECTED, AND ELECTRICALLY CONDUCTIVE MEANS CONNECTING THE ANODE TO THE TANK AND ADAPTING THE ANODE TO SUPPLY A GALVANIC CURRENT FLOW TO AREA OF THE TANK METAL WHEN EXPOSED TO CONTACT WITH THE TANK WATER.
References Cited (Backward Citations)
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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) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |