US2435825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of metallurgical charcoal from comminuted wood waste material
Assignee: Individual
•
Filing: 1944-03-04
•
Granted: 1948-02-10
•
Expires: 1964-03-04
Abstract
No abstract record available.
Inventors
- 👤 Worth C Goss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:13
CPC Classifications
C; C10; C10B; C10B53/00; C10B53/02; Y; Y02; Y02E; Y02E50/00; Y02E50/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US683268A
Cited
DE348688C
Cited
US1540662A
Cited
US1598290A
Cited
DE535831C
Cited
GB335643A
Cited
US1948471A
Cited
GB438664A
Cited
US2071082A
Cited
GB445841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-09 | 1951-08-11 | 1952-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-09 | 1955-08-11 | 1956-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-09 | 1959-08-11 | 1960-02-10 | $7700.00 | Window Closed / Lapsed |