US2538540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distillation apparatus
Assignee: KRAFT FOODS Co
•
Filing: 1944-06-22
•
Granted: 1951-01-16
•
Expires: 1964-06-22
Abstract
No abstract record available.
Inventors
- 👤 Benjamin H Thurman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:25
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/22; B01D3/00; B01D3/10; B01D5/00; B01D5/0003; B01D5/0024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1594296A
Cited
US2004011A
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US2073327A
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US2210927A
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US2313546A
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US2313175A
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US2343668A
Cited
US2383945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |