US2510158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for adding liquid to control the bulk density of coking coal
Assignee: Beazer East Inc
•
Filing: 1945-08-18
•
Granted: 1950-06-06
•
Expires: 1965-08-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph Van Ackeren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:31
CPC Classifications
G; G01; G01G; G01G11/00; G01G11/08; C; C10; C10B; C10B57/00; C10B57/04; C10B57/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1413934A
Cited
US1413935A
Cited
US1506936A
Cited
US2102584A
Cited
GB496538A
Cited
US2361267A
Cited
US2378420A
Cited
US2356648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |