Patent US3383250A successfully refreshed from Google Patents.
US3383250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing one side metallic coated strip
Assignee: Armco Inc
•
Filing: 1964-10-07
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Granted: 1968-05-14
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Expires: 1984-10-07
Abstract
No abstract record available.
Inventors
- 👤 Marvin B Pierson
- 👤 Noel W Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:35
CPC Classifications
C; C23; C23C; C23C8/00; C23C8/80; C23C2/00; C23C2/003; C23C2/0035; C23C2/0038; C23C2/004; C23C2/02; C23C2/022; C23C2/0222; C23C2/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US222655A
Cited
US1231285A
Cited
US2197622A
Cited
US2570906A
Cited
US3177085A
Cited
US3104993A
Cited
US3010844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |