US2470106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for reducing iron ores
Assignee: Individual
•
Filing: 1946-10-07
•
Granted: 1949-05-17
•
Expires: 1966-10-07
Abstract
No abstract record available.
Inventors
- 👤 Vernon F Parry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:26
CPC Classifications
C; C21; C21B; C21B13/00; C21B13/06; C21B13/0046; C21B13/04; B; B01; B01J; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/00088; B01J2208/00477; B01J2208/00495; B01J2208/00504; B01J2208/0053; Y; Y02; Y02P; Y02P10/00; Y02P10/10; Y02P10/134
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1557107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |