US3566614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning unit having plurality of fan-and-blower units
Assignee: Nortek Global HVAC LLC
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Filing: 1969-03-28
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Granted: 1971-03-02
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Expires: 1989-03-28
Abstract
Abstract A LOW PROFILE AIR CONDITIONER UNIT IS SLIDABLE UNDER A MOBILE HOME, WICH IT SERVES THROUH FLEXIBLE DUCTS. FOR MINIMUM HEIGHT, TWO FAN-AND-BLOWER UNITS ARE USED, THE BLOWERS BEING STAGGERED IN PLAN FORM. EACH UNIT IS REMOVABLE VERTICALLY, SEPARATELY FROM THE OTHER, FOR EASE IN SERVICING.
Inventors
- 👤 Sadik S Imral
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:55
CPC Classifications
F; F24; F24F; F24F3/00
Claims Analysis
Total Claims: 0
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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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |