US2491126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of electroplating on chromium or chromium-iron alloys
Assignee: EMI Ltd
•
Filing: 1945-07-28
•
Granted: 1949-12-13
•
Expires: 1965-07-28
Abstract
No abstract record available.
Inventors
- 👤 Mcgill Eric Frederick George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:46
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; C; C25; C25D; C25D5/00; C25D5/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1726623A
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US1665638A
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US1795512A
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US1950689A
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USRE20306E
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US2285548A
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GB527754A
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US2293810A
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US2441776A
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US2353026A
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US2419190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |