Patent US2949338A successfully refreshed from Google Patents.
US2949338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preventing corrosion of ferrous metal surfaces in contact with water
Assignee: Universal Oil Products Co
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Filing: 1957-05-09
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Granted: 1960-08-16
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Expires: 1977-05-09
Abstract
No abstract record available.
Inventors
- 👤 Carl B Linn
- 👤 Jerome A Vesely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:55
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/12; C23F11/124; C23F11/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
THE METHOD OF RETARDING CORROSION OF A FERROUS METAL UPON CONTACT WITH WATER WHICH COMPRISES EFFECTING SAID CONTACT IN THE PRESENCE OF A WATER SOLUBLE CORROSION INHIBITOR COMPRISING AN ALKALI METAL SALT OF AN ARYL-1-DESOXY-ALDURONIC ACID.
Claim 2
Independent Claim
36 words
THE METHOD OF RETARDING CORROSION OF A FERROUS METAL UPON CONTACT WITH WATER WHICH COMPRISES EFFECTING SAID CONTACT IN THE PRESENCE OF A WATER SOLUBLE CORROSION INHIBITOR COMPRISING AN ALKALI METAL SALT OF AN ARYL-1-DESOXY-ALDURONIC ACID.
References Cited (Backward Citations)
US2798098A
Cited
US2798100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |