US2600699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zinc-copper-tin alloy plating
Assignee: R E SHOCKLEY Inc
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Filing: 1950-10-19
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Granted: 1952-06-17
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Expires: 1970-10-19
Abstract
No abstract record available.
Inventors
- 👤 Roy E Shockley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:37
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/56; C25D3/565
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF PRODUCING A CORROSION-RESISTANT PLATED SURFACE ON A PLATABLE ARTICLE WHICH COMPRISES THE STEPS OF IMMERSING IN A BATH COMPRISING AN AQUEOUS SOLUTION OF ZINC, COPPER AND TIN SALTS, AND CONTAINING AN ALKALI CYANIDE AND A CAUSTIC ALKALI, A CATHODE TO BE PLATED AND AN ANODE COMPRISING AN ALLOY OF ZINC APPROZIMATELY 90%, COPPER APRROXIMATELY 8.5% AND TIN APPROXIMATELY 1.5%, AND PASSING THROUGH SAID BATH BETWEEN SAID ELECTRODES, A PLATING CURRENT THE METAL COMPONENTS OF SAID SALTS BEING PRESENT IN THE BATH SUBSTANTIALLY IN THE PROPORTIONS IN WHICH THE CORRESPONDING METALS ARE PRESENT IN THE SAID ANODE.
Claim 2
Independent Claim
99 words
THE METHOD OF PRODUCING A CORROSION-RESISTANT PLATED SURFACE ON A PLATABLE ARTICLE WHICH COMPRISES THE STEPS OF IMMERSING IN A BATH COMPRISING AN AQUEOUS SOLUTION OF ZINC, COPPER AND TIN SALTS, AND CONTAINING AN ALKALI CYANIDE AND A CAUSTIC ALKALI, A CATHODE TO BE PLATED AND AN ANODE COMPRISING AN ALLOY OF ZINC APPROZIMATELY 90%, COPPER APRROXIMATELY 8.5% AND TIN APPROXIMATELY 1.5%, AND PASSING THROUGH SAID BATH BETWEEN SAID ELECTRODES, A PLATING CURRENT THE METAL COMPONENTS OF SAID SALTS BEING PRESENT IN THE BATH SUBSTANTIALLY IN THE PROPORTIONS IN WHICH THE CORRESPONDING METALS ARE PRESENT IN THE SAID ANODE.
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) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |