US3779798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion resistant tinplate
Assignee: Jones and Laughlin Steel Inc
•
Filing: 1972-07-17
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Granted: 1973-12-18
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Expires: 1992-07-17
Abstract
Abstract Tinplate of improved corrosion resistance comprises a steel base with a microstructure between the limits of martensitic-ferritic and fully martensitic provided with a coating of tin and an interfacial tin-iron alloy layer.
Inventors
- 👤 M Clinton
- 👤 M Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:09
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/28; C21; C21D; C21D9/00; C21D9/52; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12708; Y10T428/12722
Claims Analysis
Total Claims: 0
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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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |