US2267789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for freezing food products
Assignee: Individual
•
Filing: 1939-03-15
•
Granted: 1941-12-30
•
Expires: 1959-03-15
Abstract
No abstract record available.
Inventors
- 👤 Chester J Conn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:56
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/80; A23B2/803; A23B4/00; A23B4/06; A23B4/062; A23B4/064
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) | 1944-12-29 | 1945-06-30 | 1945-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-29 | 1949-06-30 | 1949-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-29 | 1953-06-30 | 1953-12-30 | $7700.00 | Window Closed / Lapsed |