US2829114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibitor
Assignee: Universal Oil Products Co
•
Filing: 1955-05-04
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Granted: 1958-04-01
•
Expires: 1975-05-04
Abstract
No abstract record available.
Inventors
- 👤 George L Hervert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:41
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A METHOD OF INHIBITING CORROSION OF AN ALUMINUMCONTAINING METAL IN CONTACT WITH A BASIC MEDIUM WHICH COMPRISES EFFECTING SAID CONTACT IN THE PRESENCE OF A CORROSION INHIBITOR COMPRISING A SOLUBLE METAL HYDROCARBON SULFONATE.
Claim 2
Independent Claim
33 words
A METHOD OF INHIBITING CORROSION OF AN ALUMINUMCONTAINING METAL IN CONTACT WITH A BASIC MEDIUM WHICH COMPRISES EFFECTING SAID CONTACT IN THE PRESENCE OF A CORROSION INHIBITOR COMPRISING A SOLUBLE METAL HYDROCARBON SULFONATE.
References Cited (Backward Citations)
US2113453A
Cited
US2402793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |