Patent US2756580A successfully refreshed from Google Patents.
US2756580A
Expired / Lapsed
US
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Apparatus for washing clothes
Assignee: Speed-Flex Inc
•
Filing: 1952-07-22
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Granted: 1956-07-31
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Expires: 1972-07-22
Abstract
No abstract record available.
Inventors
- 👤 George P Castner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:54
CPC Classifications
D; D06; D06F; D06F17/00; D06F17/06; D06F17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1746250A
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US2056833A
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US2166294A
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US2334780A
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US2363184A
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US2446750A
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US2478188A
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US2455043A
Cited
US2516656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |