US2676097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for addition to cast iron or steel
Assignee: Vanadium Corp of America
•
Filing: 1951-03-08
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Granted: 1954-04-20
•
Expires: 1971-03-08
Abstract
No abstract record available.
Inventors
- 👤 Strauss Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:43
CPC Classifications
C; C22; C22C; C22C28/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A COMPOSITION OF MATTER FOR ADDITION TO CAST IRON OR STEEL, SAID COMPOSITION COMPRISING ABOUT 2 TO 20% MAGNESIUM, 2 TO 15% OF AT LEAST ONE ELEMENT SELECTED FROM THE CLASS CONSISTING OF CALCIUM, BARIUM, STRONTIUM AND LITHIUM, 5 TO 50% SILICON, AND 3 TO 50% COPPER, THE BALANCE BEING SUBSTANTIALLY ALL IRON THE IRON BEING IN AN AMOUNT BETWEEN 5 AND 65%.
Claim 2
Dependent Claim
63 words
A COMPOSITION OF MATTER FOR ADDITION TO CAST IRON OR STEEL, SAID COMPOSITION COMPRISING ABOUT 2 TO 20% MAGNESIUM, 2 TO 15% OF AT LEAST ONE ELEMENT SELECTED FROM THE CLASS CONSISTING OF CALCIUM, BARIUM, STRONTIUM AND LITHIUM, 5 TO 50% SILICON, AND 3 TO 50% COPPER, THE BALANCE BEING SUBSTANTIALLY ALL IRON THE IRON BEING IN AN AMOUNT BETWEEN 5 AND 65%.
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) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |