US2714089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodepositing iron
Assignee: MacDermid Enthone Inc
•
Filing: 1953-01-26
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Granted: 1955-07-26
•
Expires: 1973-01-26
Abstract
No abstract record available.
Inventors
- 👤 Walter R Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:46
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE PROCESS OF ELECTROPLATIN IRON ONTO AN ARTICLE WHICH INCLUDES THE STEP OF PREPARING A BATH CONTAINING WATER, FROM 0.05 TO 5 MOLAR ALKALI HYDROXIDE, FROM 0.5 TO 5 MOLAR ORGANIC AMINE, FROM 0.02 TO 0.05 MOLAR FERRIC COMPOUND, AND SALT OF ETHYLENEDIAMINETETRAACETIC ACID IN A MOLAR RATION RELATIVE TO THE IRON OF FROM 0.5 TO 1.5, THE SOLUTION HAVING A PH GREATER THAN 11, MAKING THE ARTICLE TO THE COATED A CATHODE IN AN ELECTROPLATING CELL, AND PASSING AN ELECTRIC CURRENT THROUGH THE CELL AT A CURRENT DENSITY OF FROM 3 TO 300 AMPERES PER SQUARE FOOT OF CATHODE SURFACE.
Claim 2
Dependent Claim
101 words
THE PROCESS OF ELECTROPLATIN IRON ONTO AN ARTICLE WHICH INCLUDES THE STEP OF PREPARING A BATH CONTAINING WATER, FROM 0.05 TO 5 MOLAR ALKALI HYDROXIDE, FROM 0.5 TO 5 MOLAR ORGANIC AMINE, FROM 0.02 TO 0.05 MOLAR FERRIC COMPOUND, AND SALT OF ETHYLENEDIAMINETETRAACETIC ACID IN A MOLAR RATION RELATIVE TO THE IRON OF FROM 0.5 TO 1.5, THE SOLUTION HAVING A PH GREATER THAN 11, MAKING THE ARTICLE TO THE COATED A CATHODE IN AN ELECTROPLATING CELL, AND PASSING AN ELECTRIC CURRENT THROUGH THE CELL AT A CURRENT DENSITY OF FROM 3 TO 300 AMPERES PER SQUARE FOOT OF CATHODE SURFACE.
References Cited (Backward Citations)
US1729607A
Cited
DE731102C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |