Patent EP0117730A2 successfully refreshed from Google Patents.
Patent US2178818A successfully refreshed from Google Patents.
US2178818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bacteriological digester for conversion of organic waste
Assignee: Individual
•
Filing: 1937-03-23
•
Granted: 1939-11-07
•
Expires: 1957-03-23
Abstract
No abstract record available.
Inventors
- 👤 Earp-Thomas George Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:58
CPC Classifications
C; C05; C05F; C05F17/00; C05F17/90; C05F17/95; C05F17/955; C05F17/964; C05F17/971; Y; Y02; Y02P; Y02P20/00; Y02P20/141; Y02P20/145; Y02W; Y02W30/00; Y02W30/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1942-11-06 | 1943-05-08 | 1943-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-06 | 1947-05-08 | 1947-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-06 | 1951-05-08 | 1951-11-07 | $7700.00 | Window Closed / Lapsed |