US3103315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of recovering iron from reduced ores
Assignee: Beteiligungs und Patentverwaltungs GmbH
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Filing: 1960-05-25
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Granted: 1963-09-10
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Expires: 1980-05-25
Abstract
No abstract record available.
Inventors
- 👤 Rudolph H Gerlach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:29
CPC Classifications
C; C21; C21B; C21B13/00; C21B13/0086; C21B13/0093; C21B13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A PROCESS FOR OBTAINING CONCENTRATED FRACTIONS OF ELEMENTAL METAL FROM A SOLID MASS OF A REACTION PRODUCT
Claim 2
Dependent Claim
17 words
A PROCESS FOR OBTAINING CONCENTRATED FRACTIONS OF ELEMENTAL METAL FROM A SOLID MASS OF A REACTION PRODUCT
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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |