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Patent US2772174A successfully refreshed from Google Patents.
US2772174A
Expired / Lapsed
US
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Corrosion inhibiting paints and method of preparation
Assignee: Armour and Co
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Filing: 1954-04-08
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Granted: 1956-11-27
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Expires: 1974-04-08
Abstract
No abstract record available.
Inventors
- 👤 Werner L Riegler
- 👤 James G Atherton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:52
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C09D5/082; C09D5/086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PAINT COMPOSITION FOR METAL SURFACES HAVING INCORPORATED THEREIN FROM 1/4 TO 2 1/2 WEIGHT PERCENT, BASED UPON THE AMOUNT OF PIGMENT, OF A SALT OF A FATTY ACID HAVING FROM 8 TO 22 CARBON ATOMS AND A DIAMINE HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
43 words
A PAINT COMPOSITION FOR METAL SURFACES HAVING INCORPORATED THEREIN FROM 1/4 TO 2 1/2 WEIGHT PERCENT, BASED UPON THE AMOUNT OF PIGMENT, OF A SALT OF A FATTY ACID HAVING FROM 8 TO 22 CARBON ATOMS AND A DIAMINE HAVING THE GENERAL FORMULA:
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) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |