Patent US2392456A successfully refreshed from Google Patents.
US2392456A
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Thermally diffused copper and zinc plate on ferrous articles
Assignee: Udylite Corp
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Filing: 1942-07-16
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Granted: 1946-01-08
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Expires: 1962-07-16
Abstract
No abstract record available.
Inventors
- 👤 Brown Henry
- 👤 Carl R Hurley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:02
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/10; C25D5/48; C25D5/50; C25D5/627; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/925; Y10S428/9335; Y10S428/941; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12785; Y10T428/12792; Y10T428/12861; Y10T428/12903; Y10T428/12917
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) | 1949-01-07 | 1949-07-09 | 1950-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-07 | 1953-07-09 | 1954-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-07 | 1957-07-09 | 1958-01-08 | $7700.00 | Window Closed / Lapsed |