US2464927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antioxidant
Assignee: Griffith Laboratories Ltd
•
Filing: 1945-06-11
•
Granted: 1949-03-22
•
Expires: 1965-06-11
Abstract
No abstract record available.
Inventors
- 👤 Lloyd A Hall
- 👤 Gershbein Leon Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:45
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0092; A; A23; A23B; A23B11/00; A23B11/10; A23B11/18; A23B11/40; A23B11/45; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23J; A23J7/00; C11B5/0021; C11B5/0035; C11B5/0071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2282811A
Cited
US2383815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |