Patent US2885284A successfully refreshed from Google Patents.
US2885284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferrous alloy
Assignee: Meehanite Metal Corp
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Filing: 1957-08-13
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Granted: 1959-05-05
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Expires: 1977-08-13
Abstract
No abstract record available.
Inventors
- 👤 William H Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:42
CPC Classifications
C; C22; C22C; C22C37/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AS A NEW ARTICLE OF MFANAFACTURE A CAST IRON CONTAINING FREE GRAPHITE IN A MATRIX OF BAINITE, SAID CAST IRON BEING FURTHER CHARACTERIZED BY HAVING AN ALUMINIUM CONTENT IN THE RANGE OF 1% TO 5% AND A MANGANESE CONTENT IN THE RANGE OF 11/2% TO 15%, SAID ALUMINIUM AND SAID MANAGANESE TOGETHER BEING PORPORTIONED SO AS TO FALL ABOVE THE LINE AENJK AS SHOWN IN FIGURE 1.
Claim 2
Dependent Claim
67 words
AS A NEW ARTICLE OF MFANAFACTURE A CAST IRON CONTAINING FREE GRAPHITE IN A MATRIX OF BAINITE, SAID CAST IRON BEING FURTHER CHARACTERIZED BY HAVING AN ALUMINIUM CONTENT IN THE RANGE OF 1% TO 5% AND A MANGANESE CONTENT IN THE RANGE OF 11/2% TO 15%, SAID ALUMINIUM AND SAID MANAGANESE TOGETHER BEING PORPORTIONED SO AS TO FALL ABOVE THE LINE AENJK AS SHOWN IN FIGURE 1.
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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |