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Patent US3488294A successfully refreshed from Google Patents.
US3488294A
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Process of inhibiting corrosion of ferrous metals and alloys employing a polyvinyl heterocyclic polymer
Assignee: Baker Petrolite LLC
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Filing: 1966-01-17
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Granted: 1970-01-06
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Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 Robert R Annand
- 👤 Brian M Rushton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:44
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/173; A; A01; A01N; A01N25/00; A01N25/30; C08; C08F; C08F8/00; C08F8/48; C09; C09K; C09K8/00; C09K8/54; C10; C10M; C10M149/00; C10M149/02; C10M149/10; C10M151/00; C10M151/02; C08F2810/00; C08F2810/20; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/04; C10M2217/046; C10M2217/06; C10M2221/00; C10M2221/02; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/20; C10N2040/22; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2468163A
Cited
US2636038A
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US2819284A
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US2840545A
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US2924571A
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US3262791A
Cited
US3300406A
Cited
US3288707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |