US2668548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic mechanism for controlling flow of rinse water in dishwashing machines
Assignee: Individual
•
Filing: 1952-02-23
•
Granted: 1954-02-09
•
Expires: 1972-02-23
Abstract
No abstract record available.
Inventors
- 👤 George J Federighi
- 👤 Tore H Noren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:12
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/24; A47L15/241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1520110A
Cited
US1512918A
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US1945383A
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US2245596A
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US2273126A
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US2336326A
Cited
US2357786A
Cited
GB548466A
Cited
US2307304A
Cited
US2610642A
Cited
US3289967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |