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Patent US2888531A successfully refreshed from Google Patents.
US2888531A
Expired / Lapsed
US
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Water level control for clothes washing machines
Assignee: General Electric Co
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Filing: 1955-10-28
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Granted: 1959-05-26
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Expires: 1975-10-28
Abstract
No abstract record available.
Inventors
- 👤 Bochan John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:49
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/087; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/729
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US726317A
Cited
US2249418A
Cited
US2445268A
Cited
US2563738A
Cited
US2619824A
Cited
US2839627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |