US2428044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for deaerating liquid foods
Assignee: Cornell Research Foundation Inc
•
Filing: 1942-04-09
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Granted: 1947-09-30
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Expires: 1962-04-09
Abstract
No abstract record available.
Inventors
- 👤 Paul F Sharp
- 👤 David B Hand
- 👤 Edward S Guthrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:44
CPC Classifications
A; A01; A01J; A01J11/00; A01J11/04; A23; A23L; A23L2/00; A23L2/70; A23L2/76; B; B01; B01D; B01D19/00; B01D19/0042; B01D19/0047; B01D19/0063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US151920A
Cited
US160472A
Cited
US602315A
Cited
US1570646A
Cited
US1618789A
Cited
GB237899A
Cited
US1693034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-29 | 1951-03-31 | 1951-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-29 | 1955-03-31 | 1955-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-29 | 1959-03-31 | 1959-09-30 | $7700.00 | Window Closed / Lapsed |