US2444307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsified food fats of improved keeping qualities
Assignee: Individual
•
Filing: 1945-04-27
•
Granted: 1948-06-29
•
Expires: 1965-04-27
Abstract
No abstract record available.
Inventors
- 👤 Frederic H Penn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:44
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0021; C11B5/0028; A; A23; A23B; A23B11/00; A23B11/40; A23B11/45
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1311709A
Cited
GB191112839A
Cited
US1073135A
Cited
US1627342A
Cited
US2103497A
Cited
US2156036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-29 | 1951-12-29 | 1952-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-29 | 1955-12-29 | 1956-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-29 | 1959-12-29 | 1960-06-29 | $7700.00 | Window Closed / Lapsed |