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Patent US3476365A successfully refreshed from Google Patents.
US3476365A
Expired / Lapsed
US
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Air humidifier
Assignee: Electrolux AB
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Filing: 1967-05-10
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Granted: 1969-11-04
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Expires: 1987-05-10
Abstract
No abstract record available.
Inventors
- 👤 Harald J Agerley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:46
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1719569A
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US1857770A
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US1949379A
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US2173073A
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US2295233A
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US2486877A
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US2637532A
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US3265371A
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US3339902A
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US3348828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |