US2441889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and refrigerating apparatus for the cold storage of goods
Assignee: UNION COLD STORAGE Co Ltd
•
Filing: 1945-03-09
•
Granted: 1948-05-18
•
Expires: 1965-03-09
Abstract
No abstract record available.
Inventors
- 👤 Larkin Ernest Edmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:22
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/06; F25D17/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1037423A
Cited
US1812102A
Cited
US1947442A
Cited
US1921865A
Cited
US2175498A
Cited
US2252237A
Cited
US2375688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |