Patent US2667433A successfully refreshed from Google Patents.
US2667433A
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Process for the diffusion-substitution coating of metal articles from a tin salt melt
Assignee: Meinecke Metallurgie GmbH
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Filing: 1949-06-25
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Granted: 1954-01-26
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Expires: 1969-06-25
Abstract
No abstract record available.
Inventors
- 👤 Gebhardt Erich
- 👤 Schrag Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:40
CPC Classifications
C; C23; C23C; C23C8/00; C23C8/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A METHOD FOR TIN COATING IRON ARTICLES COMPRISING IMMERSING THE SAID ARTICLES DIRECTLY IN A MOLTEN BATH CONSISTING OF AT LEAST 60 PER CENT KCL.SNCL2, THE REST OF THE BATH BEING COMPOSED OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL, EARTH ALKALI METAL AND ZINC HALIDES, AND MAINTAINING SAID BATH AT A TEMPERATURE OF BETWEEN 300-500* C.
Claim 2
Independent Claim
60 words
A METHOD FOR TIN COATING IRON ARTICLES COMPRISING IMMERSING THE SAID ARTICLES DIRECTLY IN A MOLTEN BATH CONSISTING OF AT LEAST 60 PER CENT KCL.SNCL2, THE REST OF THE BATH BEING COMPOSED OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL, EARTH ALKALI METAL AND ZINC HALIDES, AND MAINTAINING SAID BATH AT A TEMPERATURE OF BETWEEN 300-500* C.
References Cited (Backward Citations)
US1256084A
Cited
GB181781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |