Patent US2639601A successfully refreshed from Google Patents.
US2639601A
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US
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Swingable door for tumbler type clothes washing machines
Assignee: MillerKnoll Inc
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Filing: 1949-12-15
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Granted: 1953-05-26
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Expires: 1969-12-15
Abstract
No abstract record available.
Inventors
- 👤 Miller Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:26
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/02; D06F37/12; D06F37/14; D06F95/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1144191A
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US1394631A
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US2066998A
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US2118582A
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US2105248A
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US2309940A
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US2289162A
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US2420411A
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US2428489A
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US2575673A
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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) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |