Patent US2660043A successfully refreshed from Google Patents.
US2660043A
Expired / Lapsed
US
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Automatic laundering machine and pump drive therefor
Assignee: Whirlpool Corp
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Filing: 1948-04-30
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Granted: 1953-11-24
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Expires: 1968-04-30
Abstract
No abstract record available.
Inventors
- 👤 Geldhof Peter Eduard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:21
CPC Classifications
D; D06; D06F; D06F34/00; D06F34/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1405248A
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US1421389A
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US1879149A
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US2162486A
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US2361767A
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US2269672A
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US2343743A
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US2332875A
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US2434353A
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US2391561A
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US2540724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |