Patent US3122201A successfully refreshed from Google Patents.
US3122201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning system
Assignee: Carrier Corp
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Filing: 1960-05-05
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Granted: 1964-02-25
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Expires: 1980-05-05
Abstract
No abstract record available.
Inventors
- 👤 Carlyle M Ashley
- 👤 Milton H Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:44
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/26; F24F1/00; F24F1/0007; F24F1/00075; F24F1/01; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/75; F24F11/80; F24F11/81; F24F11/83; F24F3/00; F24F3/02; F24F3/04; F24F11/30; F24F2003/003; F24F2003/005; F24F2110/00; F24F2110/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN AN AIR CONDITIONING UNIT, THE COMBINATION OF A CASING, A PLENUM CHAMBER IN SAID CASING ADAPTED TO BE PLACED IN COMMUNICATION WITH A SOURCE OF SUPPLY AIR, SAID PLENUM CHAMBER HAVING DISCHARGE MEANS THEREIN TO DISCHARGE PRIMARY AIR WITHIN THE CASING, A HEAT EXCHANGER IN SAID CASING ADAPTED TO BE PLACED IN COMMUNICATION WITH A SOURCE OF HEAT EXCHANGE MEDIUM, SAID CASING HAVING AN INLET AND AN OUTLET THEREIN, DISCHARGE OF PRIMARY AIR IN THE UNIT INDUCING SECONDARY AIR FROM THE AREA BEING CONDITIONED THROUGH THE INLET INTO THE UNIT TO MIX WITH PRIMARY AIR, THE MIXTURE BEING DISCHARGED THROUGH THE OUTLET, A DAMPER FOR REGULATING THE QUANTITY OF SECONDARY AIR PASSING THROUGH OR BYPASSING THE HEAT EXCHANGER, SAID DAMPER BEING PIVOTALLY MOUNTED WITHIN SAID CASING, MEANS FOR MOVING SAID DAMPER IN A FIRST DIRECTION, AND A CONTROL FOR MOVING SAID DAMPER IN A SECOND DIRECTION COMPRISING
Claim 2
Dependent Claim
148 words
IN AN AIR CONDITIONING UNIT, THE COMBINATION OF A CASING, A PLENUM CHAMBER IN SAID CASING ADAPTED TO BE PLACED IN COMMUNICATION WITH A SOURCE OF SUPPLY AIR, SAID PLENUM CHAMBER HAVING DISCHARGE MEANS THEREIN TO DISCHARGE PRIMARY AIR WITHIN THE CASING, A HEAT EXCHANGER IN SAID CASING ADAPTED TO BE PLACED IN COMMUNICATION WITH A SOURCE OF HEAT EXCHANGE MEDIUM, SAID CASING HAVING AN INLET AND AN OUTLET THEREIN, DISCHARGE OF PRIMARY AIR IN THE UNIT INDUCING SECONDARY AIR FROM THE AREA BEING CONDITIONED THROUGH THE INLET INTO THE UNIT TO MIX WITH PRIMARY AIR, THE MIXTURE BEING DISCHARGED THROUGH THE OUTLET, A DAMPER FOR REGULATING THE QUANTITY OF SECONDARY AIR PASSING THROUGH OR BYPASSING THE HEAT EXCHANGER, SAID DAMPER BEING PIVOTALLY MOUNTED WITHIN SAID CASING, MEANS FOR MOVING SAID DAMPER IN A FIRST DIRECTION, AND A CONTROL FOR MOVING SAID DAMPER IN A SECOND DIRECTION COMPRISING
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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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |