US3486523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable drain connection for humidifier sump
Assignee: Trane US Inc
•
Filing: 1967-07-03
•
Granted: 1969-12-30
•
Expires: 1987-07-03
Abstract
No abstract record available.
Inventors
- 👤 Donald M Mullings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:13
CPC Classifications
F; F24; F24D; F24D5/00; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/5283; Y10T137/8593; Y10T137/86348
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US709395A
Cited
US2872963A
Cited
DE1101064B
Cited
US3074645A
Cited
US3074646A
Cited
US3259919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |