US686677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of drying sugar.
Assignee: Amstar Corp
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Filing: 1901-01-04
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Granted: 1901-11-12
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Expires: 1921-01-04
Abstract
No abstract record available.
Inventors
- 👤 Frederic Mahoudeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:08
CPC Classifications
C; C13; C13B; C13B25/00; F; F26; F26B; F26B23/00; F26B23/02
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) | 1904-11-11 | 1905-05-13 | 1905-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-11-11 | 1909-05-13 | 1909-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-11-11 | 1913-05-13 | 1913-11-12 | $7700.00 | Window Closed / Lapsed |