Patent US2874482A successfully refreshed from Google Patents.
US2874482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying of moist material
Assignee: Bayer AG
•
Filing: 1954-08-09
•
Granted: 1959-02-24
•
Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Haltmeier Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:50
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/041; F26B17/00; F26B17/02; F26B17/023; F26B3/00; F26B3/28; F26B3/283; F26B3/30; F26B3/305
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1580658A
Cited
US1508516A
Cited
US1671493A
Cited
US2420399A
Cited
US2349300A
Cited
US2391195A
Cited
US2705137A
Cited
US2674809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |