US2440753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Appliance for cooling liquids
Assignee: Individual
•
Filing: 1944-10-21
•
Granted: 1948-05-04
•
Expires: 1964-10-21
Abstract
No abstract record available.
Inventors
- 👤 Mock Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:28
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/22; F25C1/24; F25D; F25D2303/00; F25D2303/08; F25D2303/083; F25D2303/0831; F25D2331/00; F25D2331/80; F25D2331/811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1780422A
Cited
US1825916A
Cited
US2039736A
Cited
US1955266A
Cited
US2031276A
Cited
US2063100A
Cited
US2370931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |