US2654226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic defrosting evaporator
Assignee: Seeger Refrigerator Co
•
Filing: 1951-08-18
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Granted: 1953-10-06
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Expires: 1971-08-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Duncan
- 👤 Albert C Roseneranz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:53
CPC Classifications
F; F25; F25B; F25B47/00; F25B47/02; F25B47/022; F25B2339/00; F25B2339/02; F25B2339/023; F25D; F25D21/00; F25D21/06; F25D21/08; F28; F28F; F28F2210/00; F28F2210/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |