US3385574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Humidifier
Assignee: Trane US Inc
•
Filing: 1965-04-27
•
Granted: 1968-05-28
•
Expires: 1985-04-27
Abstract
No abstract record available.
Inventors
- 👤 Harry C Lohman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:44
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04; F24F6/06; Y; Y10; Y10S; Y10S261/00; Y10S261/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US179303A
Cited
US275238A
Cited
US2036929A
Cited
US2972157A
Cited
US2968055A
Cited
US3021831A
Cited
US3287002A
Cited
US3149626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |