Patent US5146917A successfully refreshed from Google Patents.
US2283990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drum type dehumidifier
Assignee: Bryant Heater and Manufacturing Co
•
Filing: 1938-12-27
•
Granted: 1942-05-26
•
Expires: 1958-12-27
Abstract
No abstract record available.
Inventors
- 👤 Frank R Higley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:51
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1423; B; B01; B01D; B01D53/00; B01D53/26; F24F2203/00; F24F2203/10; F24F2203/1012; F24F2203/1032; F24F2203/1052; F24F2203/1056; F24F2203/1068; F24F2203/1084
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1945-05-25 | 1945-11-24 | 1946-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-25 | 1949-11-24 | 1950-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-25 | 1953-11-24 | 1954-05-26 | $7700.00 | Window Closed / Lapsed |