US2403426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal coating process
Assignee: Henkel Corp
•
Filing: 1944-11-14
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Granted: 1946-07-02
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Expires: 1964-11-14
Abstract
No abstract record available.
Inventors
- 👤 Douty Alfred
- 👤 Gerald C Romig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:34
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/82; C23C22/83; B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/40
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) | 1949-07-01 | 1949-12-31 | 1950-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-01 | 1953-12-31 | 1954-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-01 | 1957-12-31 | 1958-07-02 | $7700.00 | Window Closed / Lapsed |