US3454483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition process with pretreatment in zinc phosphate solution containing fluoride
Assignee: Henkel Corp
•
Filing: 1965-04-29
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Granted: 1969-07-08
•
Expires: 1985-04-29
Abstract
No abstract record available.
Inventors
- 👤 Dennis B Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:15
CPC Classifications
C; C25; C25D; C25D13/00; C25D13/20; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/34; C23C22/36; C23C22/362
Claims Analysis
Total Claims: 0
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US3060066A
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US3261723A
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US3364081A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |