US3334030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of electrolytic tinplate
Assignee: Jones and Laughlin Steel Corp
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Filing: 1964-04-10
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Granted: 1967-08-01
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Expires: 1984-04-10
Abstract
No abstract record available.
Inventors
- 👤 George K Notman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:02
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/56; C25D5/00; C25D5/10; C25D5/48; C25D5/50; C25D5/505; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/941; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12708; Y10T428/12722
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE PROCESS OF PROVIDING A FERROUS BASE METAL WITH A CORROSION RESISTANT TIN COATING COMPRISING DEPOSITING ON THE FERROUS BASE METAL A FIRST COATING COMPRISING COMMINGLED IRON AND TIN, THEN ELECTROPLATING THE COATED METAL WITH A SECOND COATING OF TIN, THEN HEATING THE COATED METAL TO A TEMPERATURE AND FOR A TIME SUFFICIENT TO ALLOY THE IRON AND TIN OF THE FIRST COATING.
Claim 2
Dependent Claim
63 words
THE PROCESS OF PROVIDING A FERROUS BASE METAL WITH A CORROSION RESISTANT TIN COATING COMPRISING DEPOSITING ON THE FERROUS BASE METAL A FIRST COATING COMPRISING COMMINGLED IRON AND TIN, THEN ELECTROPLATING THE COATED METAL WITH A SECOND COATING OF TIN, THEN HEATING THE COATED METAL TO A TEMPERATURE AND FOR A TIME SUFFICIENT TO ALLOY THE IRON AND TIN OF THE FIRST COATING.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |