Patent US2240157A successfully refreshed from Google Patents.
US2680355A
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US
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Dehumidifying machine
Assignee: Individual
•
Filing: 1951-06-21
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Granted: 1954-06-08
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Expires: 1971-06-21
Abstract
No abstract record available.
Inventors
- 👤 Colomb Gracie Hebert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:30
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1405; F24F2003/144; F24F2003/1446; F24F2221/00; F24F2221/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1863578A
Cited
US1721589A
Cited
US2299939A
Cited
US2337518A
Cited
US2528720A
Cited
US2535144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |