US2697869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making aluminum coated material
Assignee: Armco Inc
•
Filing: 1948-04-23
•
Granted: 1954-12-28
•
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 14:48
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1656892A
Cited
US1792377A
Cited
US1982563A
Cited
US1877569A
Cited
US2082622A
Cited
US2110893A
Cited
US2197622A
Cited
US2170361A
Cited
CH210377A
Cited
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 |