Patent US3159983A successfully refreshed from Google Patents.
US3159983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1964-01-31
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Granted: 1964-12-08
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Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 Frederick S Metcalfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:00
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/02; F24F1/028; F24F1/03; F24F1/031; Y; Y10; Y10S; Y10S55/00; Y10S55/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN AUXILIARY CABINET FOR MODIFYING A ROOM AIR CONDITIONER OR THE LIKE HAVING A LOWER FRONT INLET FOR AIR TO BE CONDITIONED AND AN UPPER FRONT OUTLET FOR CONDITIONED AIR; SAID CABINET COMPRISING WALL STRUCTURE COOPERABLE WITH THE FRONT OF THE AIR CONDITIONER TO DEFINE AN AIR INLET CHAMBER HAVING A BOTTOM AIR INLET AND COMMUNICATING WITH THE AIR CONDITIONER LOWER FRONT INLET, AND AN AIR OUTLET CHAMBER HAVING A TOP AIR OUTLET AND COMMUNICATING WITH THE AIR CONDITIONER UPPER FRONT OUTLET, WHEREBY AIR
Claim 2
Dependent Claim
84 words
AN AUXILIARY CABINET FOR MODIFYING A ROOM AIR CONDITIONER OR THE LIKE HAVING A LOWER FRONT INLET FOR AIR TO BE CONDITIONED AND AN UPPER FRONT OUTLET FOR CONDITIONED AIR; SAID CABINET COMPRISING WALL STRUCTURE COOPERABLE WITH THE FRONT OF THE AIR CONDITIONER TO DEFINE AN AIR INLET CHAMBER HAVING A BOTTOM AIR INLET AND COMMUNICATING WITH THE AIR CONDITIONER LOWER FRONT INLET, AND AN AIR OUTLET CHAMBER HAVING A TOP AIR OUTLET AND COMMUNICATING WITH THE AIR CONDITIONER UPPER FRONT OUTLET, WHEREBY AIR
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |