US3542686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibiting salt compositions containing sodium tripolyphosphate,aluminum sulfate,and a soluble ferrocyanide
Assignee: Morton International LLC
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Filing: 1967-07-27
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Granted: 1970-11-24
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Expires: 1987-07-27
Abstract
No abstract record available.
Inventors
- 👤 Howard C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:43
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/18; C23F11/187; C23F11/188; C09; C09K; C09K3/00; C09K3/18; C09K3/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |