Patent US2460422A successfully refreshed from Google Patents.
US2460422A
Expired / Lapsed
US
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Clothes drier
Assignee: AO Smith Corp
•
Filing: 1945-07-28
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Granted: 1949-02-01
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Expires: 1965-07-28
Abstract
No abstract record available.
Inventors
- 👤 Ernst R Koppel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:33
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/20; D06F58/26; D06F58/263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1575917A
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US1623540A
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US1799649A
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US1762594A
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US2321124A
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US2108084A
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US2385223A
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US2369366A
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US2361297A
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US2389433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-01 | 1952-08-02 | 1953-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-01 | 1956-08-02 | 1957-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-01 | 1960-08-02 | 1961-02-01 | $7700.00 | Window Closed / Lapsed |