US709966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonizing apparatus.
Assignee: MORROW PROTECTIVE PROCESS Co
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Filing: 1901-11-30
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Granted: 1902-09-30
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Expires: 1921-11-30
Abstract
No abstract record available.
Inventors
- 👤 George W Curtiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:55
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/06; F27B9/08; F27B9/082; F27B9/084; C; C21; C21D; C21D9/00; C21D9/0037
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) | 1905-09-29 | 1906-03-31 | 1906-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-09-29 | 1910-03-31 | 1910-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-09-29 | 1914-03-31 | 1914-09-30 | $7700.00 | Window Closed / Lapsed |