US2495466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaged magnesium anode with cemented backfill
Assignee: Dow Chemical Co
•
Filing: 1947-07-31
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Granted: 1950-01-24
•
Expires: 1967-07-31
Abstract
No abstract record available.
Inventors
- 👤 Herman H Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:54
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F2201/00; C23F2201/02; C23F2213/00; C23F2213/20; C23F2213/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PACKAGED ANODE FOR USE IN CATHODIC PROTECTION SYSTEMS COMPRISING A MAGNESIUM METAL ANODE IMBEDDED IN A SELF-SUSTAINING POROUS MASS OF A GRANULAR ELECTROLYTE SELECTED FROM THE CLASS CONSISTING OF ALKALINE EARTH METAL HYDROXIDES AND ALKALI- AND ALKALINE-EARTH METAL SALTS OF ACIDS WHICH FORM WATER-SOLUBLE MAGNESIUM SALTS CEMENTED TOGETHER BY MAGNESIUM OXYSULFATE.
Claim 2
Dependent Claim
52 words
A PACKAGED ANODE FOR USE IN CATHODIC PROTECTION SYSTEMS COMPRISING A MAGNESIUM METAL ANODE IMBEDDED IN A SELF-SUSTAINING POROUS MASS OF A GRANULAR ELECTROLYTE SELECTED FROM THE CLASS CONSISTING OF ALKALINE EARTH METAL HYDROXIDES AND ALKALI- AND ALKALINE-EARTH METAL SALTS OF ACIDS WHICH FORM WATER-SOLUBLE MAGNESIUM SALTS CEMENTED TOGETHER BY MAGNESIUM OXYSULFATE.
References Cited (Backward Citations)
US489668A
Cited
US2088307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-23 | 1953-07-25 | 1954-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-23 | 1957-07-25 | 1958-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-23 | 1961-07-25 | 1962-01-24 | $7700.00 | Window Closed / Lapsed |