US2867554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making soft iron shot
Assignee: Olin Corp
•
Filing: 1953-04-20
•
Granted: 1959-01-06
•
Expires: 1973-04-20
Abstract
No abstract record available.
Inventors
- 👤 Lewis P Wilson
- 👤 Dorothy H Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:52
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/72; F42B12/74; B; B22; B22F; B22F9/00; F42B7/00; F42B7/02; F42B7/04; F42B7/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN THE ART OF MAKING SHOT, THE PROCESS COMPRISING PROVIDING MOLTEN IRON CONTAINING NOT MORE THAN ABOUT 0.25 PERCENT IMPURITIES, CASTING THE MOLTEN IRON INTO NEAR-SPHERES HAVING A DIAMETER BETWEEN ABOUT 0.062 AND ABOUT 0.144 INCH, THEN HEATING THE NEAR-SPHERES IN THEIR AS-CAST CONDITION ABOVE 1670* F. BUT SUBSTANTIALLY BELOW THE MELTING POINT THEREOF FOR ABOUT 5 MINUTES, AND MAINTAINING A NON-OXIDIZING ATMOSPHERE OF DRY HYDROGEN CONTAINING NOT MORE THAN ABOUT 3 PERCENT WATER
Claim 2
Dependent Claim
74 words
IN THE ART OF MAKING SHOT, THE PROCESS COMPRISING PROVIDING MOLTEN IRON CONTAINING NOT MORE THAN ABOUT 0.25 PERCENT IMPURITIES, CASTING THE MOLTEN IRON INTO NEAR-SPHERES HAVING A DIAMETER BETWEEN ABOUT 0.062 AND ABOUT 0.144 INCH, THEN HEATING THE NEAR-SPHERES IN THEIR AS-CAST CONDITION ABOVE 1670* F. BUT SUBSTANTIALLY BELOW THE MELTING POINT THEREOF FOR ABOUT 5 MINUTES, AND MAINTAINING A NON-OXIDIZING ATMOSPHERE OF DRY HYDROGEN CONTAINING NOT MORE THAN ABOUT 3 PERCENT WATER
References Cited (Backward Citations)
US236134A
Cited
US1988910A
Cited
US1760241A
Cited
US2201181A
Cited
US2231120A
Cited
US2225968A
Cited
US2573935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |