US3059326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation resistant and ductile iron base aluminum alloys
Assignee: Old Carco LLC
•
Filing: 1957-04-26
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Granted: 1962-10-23
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Expires: 1977-04-26
Abstract
No abstract record available.
Inventors
- 👤 Walter E Jominy
- 👤 Roy Amedee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:05
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B32B15/012; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/937; Y10S428/939; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982; Y10T29/49984; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A FERROUS BASE METAL PRODUCT CAPABLE OF SUBSTANTIAL RESISTANCE TO OXIDATION AND SCALING UPON EXPOSURE TO HIGH TEMPERATURES IN THE ORDER OF 1600*F. TO 2400* F. COMPRISING A METALLIC INNER BODY CONSISTING ESSENTIALLY OF IRON AND ALUMINUM IN SOLID SOLUTION, SAID INNER BODY HAVING A SUBSTANTIALLY EQUAL ALUMINUM CONCENTRATION THROUGHTOUT IN AMOUNT BETWEEN AT LEAST 3% AND NOT MORE THAN 12% BY WEIGHT OF THE BODY AND SAID INNER BODY HAVING THEREON A METALLIC LAYER CONSISTING ESSENTIALLY OF IRON AND ALUMINUM COMPOUNDS WHOSE ALUMINUM CONTENT IS AT LEAST ABOUT 20% BY WEIGHT.
Claim 2
Dependent Claim
92 words
A FERROUS BASE METAL PRODUCT CAPABLE OF SUBSTANTIAL RESISTANCE TO OXIDATION AND SCALING UPON EXPOSURE TO HIGH TEMPERATURES IN THE ORDER OF 1600*F. TO 2400* F. COMPRISING A METALLIC INNER BODY CONSISTING ESSENTIALLY OF IRON AND ALUMINUM IN SOLID SOLUTION, SAID INNER BODY HAVING A SUBSTANTIALLY EQUAL ALUMINUM CONCENTRATION THROUGHTOUT IN AMOUNT BETWEEN AT LEAST 3% AND NOT MORE THAN 12% BY WEIGHT OF THE BODY AND SAID INNER BODY HAVING THEREON A METALLIC LAYER CONSISTING ESSENTIALLY OF IRON AND ALUMINUM COMPOUNDS WHOSE ALUMINUM CONTENT IS AT LEAST ABOUT 20% BY WEIGHT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |