Patent US3144901A successfully refreshed from Google Patents.
US3144901A
Expired / Lapsed
US
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Movable air conditioning apparatus
Assignee: Lizenzia AG
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Filing: 1960-05-13
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Granted: 1964-08-18
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Expires: 1980-05-13
Abstract
No abstract record available.
Inventors
- 👤 George W Meek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:57
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1423; F24F1/00; F24F1/02; F24F1/032; F24F1/0323; F24F1/0328; F24F1/0358; F24F1/037; F24F2203/00; F24F2203/10; F24F2203/1004; F24F2203/1012; F24F2203/1032; F24F2203/104; F24F2203/1056; F24F2203/1064; F24F2203/1076; F24F2203/1084; F24F2203/1096; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AIR TREATING APPARATUS COMPRISING, AN ENCLOSING CASING, A PLURALITY OF WHEELS IN SAID CASING, ONE OF THE WHEELS BEING A HEAT TRANSFER WHEEL AND ANOTHER OF THE WHEELS BEING A MOISTURE TRANSFER WHEEL, SAID WHEELS BEING SLIGHTLY SPACED APART, EACH OF THE WHEELS BEING AIR PERMEABLE IN A DIRECTION SUBSTANTIALLY PARALLEL TO ITS AXIS, PARTITIONS IN SAID CASING CO-OPERATING WITH THE WHEELS TO DIVIDE THE CASING INTO SEPARATE AIR PASSAGEWAYS AT OPPOSITE SIDES OF THE WHEELS, FANS FOR DIRECTING SEPARATE STREAMS OF AIR THROUGH THE RESPECTIVE PASSAGEWAYS, MEANS FOR MOUNTING THE WHEELS FOR ROTATION IN THE CASING, HEATING MEANS IN THE
Claim 2
Dependent Claim
101 words
AIR TREATING APPARATUS COMPRISING, AN ENCLOSING CASING, A PLURALITY OF WHEELS IN SAID CASING, ONE OF THE WHEELS BEING A HEAT TRANSFER WHEEL AND ANOTHER OF THE WHEELS BEING A MOISTURE TRANSFER WHEEL, SAID WHEELS BEING SLIGHTLY SPACED APART, EACH OF THE WHEELS BEING AIR PERMEABLE IN A DIRECTION SUBSTANTIALLY PARALLEL TO ITS AXIS, PARTITIONS IN SAID CASING CO-OPERATING WITH THE WHEELS TO DIVIDE THE CASING INTO SEPARATE AIR PASSAGEWAYS AT OPPOSITE SIDES OF THE WHEELS, FANS FOR DIRECTING SEPARATE STREAMS OF AIR THROUGH THE RESPECTIVE PASSAGEWAYS, MEANS FOR MOUNTING THE WHEELS FOR ROTATION IN THE CASING, HEATING MEANS IN THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |