Patent US2223327A successfully refreshed from Google Patents.
US2223327A
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US
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Method of coating metals
Assignee: Wyeth Holdings LLC
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Filing: 1939-03-04
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Granted: 1940-11-26
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Expires: 1959-03-04
Abstract
No abstract record available.
Inventors
- 👤 Donald W Light
- 👤 Moore Leonard Patrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:27
CPC Classifications
C; C09; C09D; C09D167/00; C09D161/00; C09D161/20; C09D161/32; C09D167/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T428/31688; Y10T428/31714
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-11-26 | 1944-05-27 | 1944-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-26 | 1948-05-27 | 1948-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-26 | 1952-05-27 | 1952-11-26 | $7700.00 | Window Closed / Lapsed |