Patent US2582138A successfully refreshed from Google Patents.
US2582138A
Expired / Lapsed
US
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Corrosion inhibiting composition for steam systems
Assignee: ChampionX LLC
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Filing: 1947-06-19
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Granted: 1952-01-08
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Expires: 1967-06-19
Abstract
No abstract record available.
Inventors
- 👤 Russell W Lane
- 👤 William H Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:49
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A CORROSION INHIBITING COMPOSITION FOR STREAM SYSTEMS COMPRISING CYCLOHEXYLAMINE AND MORPHOLINE IN A WEIGHT RATIO WITHIN THE RANGE FROM ABOUT 3:1 TO ABOUT 1:7.
Claim 2
Dependent Claim
24 words
A CORROSION INHIBITING COMPOSITION FOR STREAM SYSTEMS COMPRISING CYCLOHEXYLAMINE AND MORPHOLINE IN A WEIGHT RATIO WITHIN THE RANGE FROM ABOUT 3:1 TO ABOUT 1:7.
References Cited (Backward Citations)
US2469284A
Cited
US1395730A
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US1903287A
Cited
US2053024A
Cited
US2060138A
Cited
US2323369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |