US3466192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion prevention process
Assignee: Henkel Corp
•
Filing: 1967-01-23
•
Granted: 1969-09-09
•
Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 George S Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:35
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2403153A
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US2485529A
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US2959555A
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US2947703A
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US3188312A
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US3181984A
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US3294695A
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US3277011A
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US3226180A
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US3353995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |