US3073722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating ferrous material and material coated by such process
Assignee: General Electric Co
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Filing: 1961-03-30
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Granted: 1963-01-15
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Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 Walter G Hoehn
- 👤 Herbert B Forslund
- 👤 James W Fulton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:27
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/68; C21D1/70; H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/14; H01F1/16; H01F1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A FERROUS MATERIAL HAVING THEREON A FIRMLY ADHERENT COATING COMPRISING MAGNESIUM HYDROXIDE AND AN ALIPHATIC CARBOXYLIC ACID FORMED BY APPICATION OF A SLURRY CONSISTING ESSENTIALLY OF AN AQUEOUS SUSPENSION OF APPROXIMATELY 5.0 TO 8% BY WEIGHT MAGNESIUM HYDROXIDE AND AN ALIPHATIC CARBOXLYIC ACID, SAID ACID BEING PRESENT IN A QUANTITY RANGING FROM 2 TO 20 PARTS BY WEIGHT TO EACH 100 PARTS BY WEIGHT OF SAID MAGNESIUM HYDROXIDE, SAID COATING BEING DRIED AT A TEMPERATURE NOT IN EXCESS OF APPROXIMATELY 135* C.
Claim 2
Dependent Claim
82 words
A FERROUS MATERIAL HAVING THEREON A FIRMLY ADHERENT COATING COMPRISING MAGNESIUM HYDROXIDE AND AN ALIPHATIC CARBOXYLIC ACID FORMED BY APPICATION OF A SLURRY CONSISTING ESSENTIALLY OF AN AQUEOUS SUSPENSION OF APPROXIMATELY 5.0 TO 8% BY WEIGHT MAGNESIUM HYDROXIDE AND AN ALIPHATIC CARBOXLYIC ACID, SAID ACID BEING PRESENT IN A QUANTITY RANGING FROM 2 TO 20 PARTS BY WEIGHT TO EACH 100 PARTS BY WEIGHT OF SAID MAGNESIUM HYDROXIDE, SAID COATING BEING DRIED AT A TEMPERATURE NOT IN EXCESS OF APPROXIMATELY 135* C.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |