US2089061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing large size coke from brown coal
Assignee: Individual
•
Filing: 1934-07-03
•
Granted: 1937-08-03
•
Expires: 1954-07-03
Abstract
No abstract record available.
Inventors
- 👤 Herglotz Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:31
CPC Classifications
C; C10; C10B; C10B53/00; C10B53/08; C10L; C10L5/00; C10L5/02; C10L5/06; Y; Y10; Y10S; Y10S425/00; Y10S425/113
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-08-02 | 1941-02-01 | 1941-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-02 | 1945-02-01 | 1945-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-02 | 1949-02-01 | 1949-08-03 | $7700.00 | Window Closed / Lapsed |