US2924959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uni-directional pump for automatic washer with recirculating and filtering system
Assignee: Whirlpool Corp
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Filing: 1956-07-16
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Granted: 1960-02-16
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Expires: 1976-07-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Lon F Israel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:04
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/083; D06F39/085; D06F2103/00; D06F2103/42; D06F2103/44; D06F2103/48; Y; Y10; Y10S; Y10S68/00; Y10S68/902; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86139; Y10T137/86147; Y10T137/86187
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) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |