US2610912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steel-like alloy containing spheroidal graphite
Assignee: Huntington Alloys Corp
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Filing: 1949-10-22
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Granted: 1952-09-16
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Expires: 1969-10-22
Abstract
No abstract record available.
Inventors
- 👤 Millis Keith Dwight
- 👤 Gagnebin Albert Paul
- 👤 Pilling Norman Boden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:10
CPC Classifications
C; C21; C21C; C21C1/00; C21C1/10; C22; C22C; C22C37/00; C22C37/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
AS A NEW ARTICLE OF MANUFACTURING, A STEEL-LIKE ALLOY CONTAINING SPHEROIDAL GRAPHITE IN THE ASCAST CONDITION, ABOUT 0.03% UP TO ABOUT 0.3% MAGNESIUM TO CONTROL THE OCCURENCE OF THE AFORESAID SPHEROIDAL GRAPHITE, ABOUT 0.3% ABOUT 1.6% TOTAL CARBON, ABOUT 1.2% TO 6% SILICON, WITH THE BALANCE ESSENTIALLY IRON AND THE IRON CONTENT BEING AT LEAST ABOUT 85% OF THE ALLOY COMPOSITION.
Claim 2
Dependent Claim
61 words
AS A NEW ARTICLE OF MANUFACTURING, A STEEL-LIKE ALLOY CONTAINING SPHEROIDAL GRAPHITE IN THE ASCAST CONDITION, ABOUT 0.03% UP TO ABOUT 0.3% MAGNESIUM TO CONTROL THE OCCURENCE OF THE AFORESAID SPHEROIDAL GRAPHITE, ABOUT 0.3% ABOUT 1.6% TOTAL CARBON, ABOUT 1.2% TO 6% SILICON, WITH THE BALANCE ESSENTIALLY IRON AND THE IRON CONTENT BEING AT LEAST ABOUT 85% OF THE ALLOY COMPOSITION.
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) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |