US2495629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zinc electroplating
Assignee: Poor and Co
•
Filing: 1944-06-02
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Granted: 1950-01-24
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Expires: 1964-06-02
Abstract
No abstract record available.
Inventors
- 👤 Allan E Chester
- 👤 Frederick F Reisinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:27
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/22; C25D3/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
43 words
A PLATING BATH COMPRISING AN ALKALINE ZINC CYANIDE BATH CONTAINING IN SOLUTION A REACTION PRODUCT OF A HETEROCYLIC ALDEHYDE WITH A CARBOCYCLIC PRIMARY AMINE, SUBSTANTIALLY INSOLUBLE IN WATER, SOLUBLE IN ALKALINE SOLUTIONS AND SPARINGLY SOLUBLE TO INSOLUBLE IN ETHYL, PROPYL AND BUTYL ALCOHOLS.
Claim 2
Dependent Claim
43 words
A PLATING BATH COMPRISING AN ALKALINE ZINC CYANIDE BATH CONTAINING IN SOLUTION A REACTION PRODUCT OF A HETEROCYLIC ALDEHYDE WITH A CARBOCYCLIC PRIMARY AMINE, SUBSTANTIALLY INSOLUBLE IN WATER, SOLUBLE IN ALKALINE SOLUTIONS AND SPARINGLY SOLUBLE TO INSOLUBLE IN ETHYL, PROPYL AND BUTYL ALCOHOLS.
Claim 3
Dependent Claim
34 words
IN THE ELECTRODEPOSITION OF ZINC, THE STEP WHICH COMPRISES ELECTRODEPOSITING ZINC FROM AN ALKALINE CYANIDE-ZINC PLATING BATH IN THE PRESENCE OF AN ALKALI-SOLUBLE REACTION PRODUCT OF A CYCLIC ALDEHYDE WITH A CARBOCYLIC PRIMARY AMINE.
Claim 4
Dependent Claim
34 words
IN THE ELECTRODEPOSITION OF ZINC, THE STEP WHICH COMPRISES ELECTRODEPOSITING ZINC FROM AN ALKALINE CYANIDE-ZINC PLATING BATH IN THE PRESENCE OF AN ALKALI-SOLUBLE REACTION PRODUCT OF A CYCLIC ALDEHYDE WITH A CARBOCYLIC PRIMARY AMINE.
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) | 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 |