US2869249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying and simultaneously cooling white sugar coming from a drier
Assignee: Buttner Werke AG
•
Filing: 1955-12-06
•
Granted: 1959-01-20
•
Expires: 1975-12-06
Abstract
No abstract record available.
Inventors
- 👤 Kamp Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:07
CPC Classifications
C; C13; C13B; C13B40/00; C13B40/002; F; F26; F26B; F26B17/00; F26B17/001; F26B17/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1216554A
Cited
US1715830A
Cited
FR685139A
Cited
US2060581A
Cited
US2245664A
Cited
US2293728A
Cited
CH263637A
Cited
FR928134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |