Patent US2697869A successfully refreshed from Google Patents.
US2697869A
Expired / Lapsed
US
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Process for making aluminum coated material
Assignee: Armco Inc
•
Filing: 1948-04-23
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Granted: 1954-12-28
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Expires: 1968-04-23
Abstract
No abstract record available.
Inventors
- 👤 Walter E Kingston
- 👤 Igor N Zavarine
- 👤 Charles E Bussert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:46
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/28; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1656892A
Cited
US1792377A
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US1982563A
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US1877569A
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US2082622A
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US2110893A
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US2197622A
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US2170361A
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CH210377A
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GB526525A
Cited
US2406245A
Cited
US2444422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |