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US2665646A
Expired / Lapsed
US
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Pumping system control for washing machines
Assignee: Mission Manufacturing Co
•
Filing: 1950-05-01
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Granted: 1954-01-12
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Expires: 1970-05-01
Abstract
No abstract record available.
Inventors
- 👤 William R Garrett
- 👤 Walter E Liljestrand
- 👤 Henry B Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:28
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/083; D06F39/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1418921A
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US1438008A
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US1483405A
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FR621883A
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US2006196A
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US2183835A
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US2525256A
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US2472682A
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US2600493A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |