US975751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of charging melting-furnaces.
Assignee: J ESDAILE FLORENCE
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Filing: 1910-02-14
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Granted: 1910-11-15
•
Expires: 1930-02-14
Abstract
No abstract record available.
Inventors
- 👤 Michael R Conley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:06
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/56; C21C5/562
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) | 1913-11-14 | 1914-05-16 | 1914-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-11-14 | 1918-05-16 | 1918-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-11-14 | 1922-05-16 | 1922-11-15 | $7700.00 | Window Closed / Lapsed |