US2027094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for dehumidifying air
Assignee: WEISS AND DOWNS Inc
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Filing: 1934-04-06
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Granted: 1936-01-07
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Expires: 1954-04-06
Abstract
No abstract record available.
Inventors
- 👤 Charles R Downs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:57
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1417; B; B01; B01D; B01D53/00; B01D53/26; C; C10; C10K; C10K1/00; C10K1/08; C10K1/10; C10K1/105; F26; F26B; F26B21/00; F26B21/30; F26B21/33; F26B21/331; F24F2003/1458
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-01-06 | 1939-07-08 | 1940-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-01-06 | 1943-07-08 | 1944-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-01-06 | 1947-07-08 | 1948-01-07 | $7700.00 | Window Closed / Lapsed |