Patent US2658615A successfully refreshed from Google Patents.
US2658615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separator drying method and apparatus for moisture carrying material
Assignee: Babcock and Wilcox Co
•
Filing: 1949-03-19
•
Granted: 1953-11-10
•
Expires: 1969-03-19
Abstract
No abstract record available.
Inventors
- 👤 George B Ebersole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:01
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/02; F26B3/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR464928A
Cited
US1416922A
Cited
US1499724A
Cited
US1702333A
Cited
US1611791A
Cited
US1965643A
Cited
US2188431A
Cited
US2128166A
Cited
US2188430A
Cited
US2070650A
Cited
US2522704A
Cited
US2350737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |