Patent US3200606A successfully refreshed from Google Patents.
US3200606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning systems
Assignee: Individual
•
Filing: 1964-06-29
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Granted: 1965-08-17
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 John B Hewett
- 👤 Elwood A Windham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:15
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1417; F24F5/00; F24F5/0089; F24F2003/144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN AN AIR CONDITIONING SYSTEM HAVING A SINGLE CHEMICAL DEHUMIDIFYING UNIT OF THE LIQUID TYPE TO REMOVE MOISTURE FROM THE AIR AND A REGENERATOR AND A SOLUTION DENSITY CONTROL TO GOVERN THE OPERATION OF THE REGENERATOR, SAID SYSTEM USING OUTSIDE AIR AND RETURN AIR, MEANS TO REDUCE THE VOLUME OF OUTSIDE AIR AND INCREASE THE VOLUME OF RETURN AIR WHENEVER THE OUTSIDE MOISTURE CONDITIONS EXCEED THE CAPACITY OF THE REGENERATOR, SAID VOLUME REDUCING MEANS COMPRISING THE COMBINATION OF THE SOLUTION DENSITY CONTROL AND MODULATING DAMPERS DISPOSED IN THE DUCTS WHICH SUPPLY OUTSIDE AIR TO THE DEHUMIDIFYING UNIT AND RETURN AIR.
Claim 2
Dependent Claim
100 words
IN AN AIR CONDITIONING SYSTEM HAVING A SINGLE CHEMICAL DEHUMIDIFYING UNIT OF THE LIQUID TYPE TO REMOVE MOISTURE FROM THE AIR AND A REGENERATOR AND A SOLUTION DENSITY CONTROL TO GOVERN THE OPERATION OF THE REGENERATOR, SAID SYSTEM USING OUTSIDE AIR AND RETURN AIR, MEANS TO REDUCE THE VOLUME OF OUTSIDE AIR AND INCREASE THE VOLUME OF RETURN AIR WHENEVER THE OUTSIDE MOISTURE CONDITIONS EXCEED THE CAPACITY OF THE REGENERATOR, SAID VOLUME REDUCING MEANS COMPRISING THE COMBINATION OF THE SOLUTION DENSITY CONTROL AND MODULATING DAMPERS DISPOSED IN THE DUCTS WHICH SUPPLY OUTSIDE AIR TO THE DEHUMIDIFYING UNIT AND RETURN 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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |