Patent US964268A successfully refreshed from Google Patents.
US964268A
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Apparatus for smelting ores yielding a volatile metal.
Assignee: CONTINUOUS ZINC FURNACE Co
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Filing: 1906-11-09
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Granted: 1910-07-12
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Expires: 1926-11-09
Abstract
No abstract record available.
Inventors
- 👤 Woolsey Mca Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:30
CPC Classifications
C; C22; C22B; C22B26/00; C22B26/20; C22B26/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1913-07-11 | 1914-01-10 | 1914-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-07-11 | 1918-01-10 | 1918-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-07-11 | 1922-01-10 | 1922-07-12 | $7700.00 | Window Closed / Lapsed |