US2199670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for rendering and extraction
Assignee: Darling Ingredients Inc
•
Filing: 1936-09-17
•
Granted: 1940-05-07
•
Expires: 1956-09-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas K Lowry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:16
CPC Classifications
C; C11; C11B; C11B1/00; B; B01; B01D; B01D11/00; B01D11/02; B01D11/0215; B01D11/0223; B01D11/0226; B01D11/0253; B01D11/0257; C09; C09H; C09H3/00; Y; Y10; Y10S; Y10S159/00; Y10S159/29
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) | 1943-05-07 | 1943-11-06 | 1944-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-07 | 1947-11-06 | 1948-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-07 | 1951-11-06 | 1952-05-07 | $7700.00 | Window Closed / Lapsed |