Patent US2745800A successfully refreshed from Google Patents.
US2745800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating with iron
Assignee: Van Der Horst Corp of America
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Filing: 1953-01-16
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Granted: 1956-05-15
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Expires: 1973-01-16
Abstract
No abstract record available.
Inventors
- 👤 Poor John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:52
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PROCESS FOR ELECTRODEPOSITING IRON WHICH COMPRISES ELECTROLYZING AN AQUEOUS ACID SOLUTION CONSISTING ESSENTIALLY OF FERROUS IRON, NOT MORE THAN 3 GRAMS PER LITER OF FERRIC IRON, AND AT LEAST 26 GRAMS PER LITER OF ACID RADICAL SELECTED FROM THE GROUP CONSISTING OF CHLORIDE RADICAL AND A COMBINATION OF CHLORIDE AND SULPHATE RADICALS, IN SUCH COMBINATION THE CHLORIDE RADICAL BEING PRESENT IN THE AMOUNT OF FROM 61/2 TO 100 GRAMS PER LITER, AND FROM 10 TO 100 GRAMS PER LITER OF FLUROBORATE RADICAL.
Claim 2
Dependent Claim
83 words
A PROCESS FOR ELECTRODEPOSITING IRON WHICH COMPRISES ELECTROLYZING AN AQUEOUS ACID SOLUTION CONSISTING ESSENTIALLY OF FERROUS IRON, NOT MORE THAN 3 GRAMS PER LITER OF FERRIC IRON, AND AT LEAST 26 GRAMS PER LITER OF ACID RADICAL SELECTED FROM THE GROUP CONSISTING OF CHLORIDE RADICAL AND A COMBINATION OF CHLORIDE AND SULPHATE RADICALS, IN SUCH COMBINATION THE CHLORIDE RADICAL BEING PRESENT IN THE AMOUNT OF FROM 61/2 TO 100 GRAMS PER LITER, AND FROM 10 TO 100 GRAMS PER LITER OF FLUROBORATE RADICAL.
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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) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |