US2222651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fermentation cell for converting organic matter to humus
Assignee: Underpinning & Foundation Comp
•
Filing: 1936-12-17
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Granted: 1940-11-26
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Expires: 1956-12-17
Abstract
No abstract record available.
Inventors
- 👤 Jules R Breuchaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:32
CPC Classifications
C; C05; C05F; C05F17/00; C05F17/90; C05F17/921; C05F17/939; C05F17/50; Y; Y02; Y02P; Y02P20/00; Y02P20/141; Y02P20/145; Y02W; Y02W30/00; Y02W30/40; Y10; Y10S; Y10S435/00; Y10S435/801; Y10S435/819
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) | 1943-11-26 | 1944-05-27 | 1944-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-26 | 1948-05-27 | 1948-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-26 | 1952-05-27 | 1952-11-26 | $7700.00 | Window Closed / Lapsed |