Patent US698610A successfully refreshed from Google Patents.
US698610A
Expired / Lapsed
US
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Apparatus for making steel, &c.
Assignee: Individual
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Filing: 1900-10-16
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Granted: 1902-04-29
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Expires: 1920-10-16
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Wills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:07
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/56; C21C5/567; F; F27; F27B; F27B1/00; F27B1/02; F27B1/025
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) | 1905-04-28 | 1905-10-28 | 1906-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-04-28 | 1909-10-28 | 1910-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-04-28 | 1913-10-28 | 1914-04-29 | $7700.00 | Window Closed / Lapsed |