US2526379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defrosting arrangement for refrigerating systems
Assignee: General Electric Co
•
Filing: 1949-03-09
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Granted: 1950-10-17
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Expires: 1969-03-09
Abstract
No abstract record available.
Inventors
- 👤 Bernard D Maseritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:29
CPC Classifications
F; F25; F25B; F25B40/00; F25B47/00; F25B47/02; F25B47/022
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) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |