US2704264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of protecting surfaces of metals against corrosion
Assignee: Individual
•
Filing: 1951-07-16
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Granted: 1955-03-15
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Expires: 1971-07-16
Abstract
No abstract record available.
Inventors
- 👤 Josef M Michel
- 👤 Karl F Hager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:29
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/16; C23F11/164; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/04; C10M2207/08; C10M2211/00; C10M2211/02; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2030/00; C10N2030/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
THE PROCESS OF PROTECTING A METAL SURFACE AGAINST CORROSION WHICH COMPRISES APPLYING TO SAID SURFACE A SOLUTION COMPRISING A MAJOR PROPORTION OF A LIQUID HYDROCARBON AND A MINOR PROPORTION OF OCTADECYL SULFAMIDO ACETIC ACID SODIUM SALT.
Claim 2
Dependent Claim
36 words
THE PROCESS OF PROTECTING A METAL SURFACE AGAINST CORROSION WHICH COMPRISES APPLYING TO SAID SURFACE A SOLUTION COMPRISING A MAJOR PROPORTION OF A LIQUID HYDROCARBON AND A MINOR PROPORTION OF OCTADECYL SULFAMIDO ACETIC ACID SODIUM SALT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |