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Patent US710643A successfully refreshed from Google Patents.
US710643A
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Coal ramming and transfer apparatus.
Assignee: RETORT COKE OVEN Co
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Filing: 1902-02-05
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Granted: 1902-10-07
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Expires: 1922-02-05
Abstract
No abstract record available.
Inventors
- 👤 John F Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:10
CPC Classifications
C; C10; C10B; C10B31/00; C10B31/02; C10B31/04
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) | 1905-10-06 | 1906-04-07 | 1906-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-10-06 | 1910-04-07 | 1910-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-10-06 | 1914-04-07 | 1914-10-07 | $7700.00 | Window Closed / Lapsed |