US2548608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow-controlling device for refrigerators
Assignee: General Electric Co
•
Filing: 1946-12-18
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Granted: 1951-04-10
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Expires: 1966-12-18
Abstract
No abstract record available.
Inventors
- 👤 Alfred G Janos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:03
CPC Classifications
F; F25; F25D; F25D11/00; F25D11/02; F25D11/025; F25B; F25B41/00; F25B41/30; F25D21/00; F25D21/14; F25D2321/00; F25D2321/14; F25D2321/146; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1939; Y10T137/1963
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) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |