Patent US694767A successfully refreshed from Google Patents.
US694767A
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US
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Apparatus for drying sugar.
Assignee: Amstar Corp
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Filing: 1901-01-04
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Granted: 1902-03-04
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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
2026-10-30 07:30
CPC Classifications
F; F26; F26B; F26B15/00; F26B15/10; F26B15/12; F26B15/14; F26B15/143; A; A24; A24B; A24B1/00; A24B1/02; Y; Y10; Y10S; Y10S198/00; Y10S198/952
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) | 1905-03-03 | 1905-09-02 | 1906-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-03-03 | 1909-09-02 | 1910-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-03-03 | 1913-09-02 | 1914-03-04 | $7700.00 | Window Closed / Lapsed |