US2382084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick freezing apparatus
Assignee: Individual
•
Filing: 1942-03-20
•
Granted: 1945-08-14
•
Expires: 1962-03-20
Abstract
No abstract record available.
Inventors
- 👤 George W Mathews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:15
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/042; F25D17/045; A; A23; A23B; A23B2/00; A23B2/80; A23B2/805; F25D17/06; F25D2317/00; F25D2317/06; F25D2317/068; F25D2317/0683; F25D2400/00; F25D2400/30
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) | 1948-08-13 | 1949-02-12 | 1949-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-08-13 | 1953-02-12 | 1953-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-08-13 | 1957-02-12 | 1957-08-14 | $7700.00 | Window Closed / Lapsed |