US2565210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidifier
Assignee: CHAR GALE Manufacturing Co
•
Filing: 1949-12-19
•
Granted: 1951-08-21
•
Expires: 1969-12-19
Abstract
No abstract record available.
Inventors
- 👤 Nick J Dovolis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:13
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04; F24F6/043; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/742; Y10T137/8593; Y10T137/86236
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1072031A
Cited
US1458549A
Cited
US1743668A
Cited
US2049731A
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US2155070A
Cited
US2361227A
Cited
US2394698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |