US2566327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehumidifier system
Assignee: Individual
•
Filing: 1946-02-05
•
Granted: 1951-09-04
•
Expires: 1966-02-05
Abstract
No abstract record available.
Inventors
- 👤 Robert F Hallock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:28
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1417; F24S; F24S10/00; F24S10/70; F24S10/75; F24S10/755; F24S40/00; F24S40/40; F24S40/42; F24F2003/144; F24F2003/1458; F24S80/00; F24S80/50; F24S2080/501; F24S2080/502; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y10; Y10S; Y10S165/00; Y10S165/904
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |