US1102982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for roasting and sintering ores.
Assignee: DWIGHT AND LLOYD METALLURGICAL Co
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Filing: 1910-02-02
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Granted: 1914-07-07
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Expires: 1930-02-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Dwight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:17
CPC Classifications
F; F27; F27B; F27B21/00; F27B21/06
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) | 1917-07-06 | 1918-01-05 | 1918-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-07-06 | 1922-01-05 | 1922-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-07-06 | 1926-01-05 | 1926-07-07 | $7700.00 | Window Closed / Lapsed |