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US2668432A
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Control mechanism for spin-dry washing machines
Assignee: AUTOMATIC WASHER Co
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Filing: 1949-06-22
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Granted: 1954-02-09
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Expires: 1969-06-22
Abstract
No abstract record available.
Inventors
- 👤 Clayton F Emmert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:23
CPC Classifications
D; D06; D06F; D06F29/00; D06F29/02; D06F33/00; D06F33/04; D06F33/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US767419A
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US1747621A
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US1911904A
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US1787243A
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US1789940A
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US2029937A
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US2105218A
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US2277923A
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US2357644A
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US2383671A
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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) | 1957-02-08 | 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 |