US2512949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibitor for metals
Assignee: Nox-Rust Chemical Corp
•
Filing: 1945-12-22
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Granted: 1950-06-27
•
Expires: 1965-12-22
Abstract
No abstract record available.
Inventors
- 👤 Lieber Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:17
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31779; Y10T428/31783
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A PRODUCT FOR INHIBITING CORROSION OF METAL OBJECTS COMPRISING, A MATERIAL PROVIDED WITH A COMPOSITION CONSISTING ESSENTIALLY OF A VOLATILE COMPOUND COMPRISING A LOWER ALKYLOL AMINE AND HAVING A VAPOR PRESSURE TO EMIT AT TEMPERATURES OF USE A METAL CORROSION INHIBITING VAPOR.
Claim 2
Dependent Claim
42 words
A PRODUCT FOR INHIBITING CORROSION OF METAL OBJECTS COMPRISING, A MATERIAL PROVIDED WITH A COMPOSITION CONSISTING ESSENTIALLY OF A VOLATILE COMPOUND COMPRISING A LOWER ALKYLOL AMINE AND HAVING A VAPOR PRESSURE TO EMIT AT TEMPERATURES OF USE A METAL CORROSION INHIBITING VAPOR.
References Cited (Backward Citations)
US213100A
Cited
US223814A
Cited
US1387132A
Cited
US721171A
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US1847711A
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US2071625A
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US2051170A
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US2156357A
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US2333206A
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US2283931A
Cited
US2362332A
Cited
US2451523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |