US2162213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of freezing food products
Assignee: Individual
•
Filing: 1937-03-18
•
Granted: 1939-06-13
•
Expires: 1957-03-18
Abstract
No abstract record available.
Inventors
- 👤 Chester J Conn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:38
CPC Classifications
F; F25; F25D; F25D13/00; F25D13/06; A; A23; A23B; A23B4/00; A23B4/06; A23B4/062; F25D2317/00; F25D2317/06; F25D2317/066; F25D2317/0665
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) | 1942-06-12 | 1942-12-12 | 1943-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-12 | 1946-12-12 | 1947-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-12 | 1950-12-12 | 1951-06-13 | $7700.00 | Window Closed / Lapsed |