Patent US2245576A successfully refreshed from Google Patents.
US2245576A
Expired / Lapsed
US
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Method of protecting and preserving food products
Assignee: Sardik Inc
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Filing: 1939-02-11
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Granted: 1941-06-17
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Expires: 1959-02-11
Abstract
No abstract record available.
Inventors
- 👤 Arnold C Dickinson
- 👤 Myers Philip Bliss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:52
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/16; A23B4/00; A23B4/10; A23P; A23P20/00; A23P20/10; A23P20/105
Claims Analysis
Total Claims: 0
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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) | 1944-06-16 | 1944-12-16 | 1945-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-16 | 1948-12-16 | 1949-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-16 | 1952-12-16 | 1953-06-17 | $7700.00 | Window Closed / Lapsed |