US3148514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Housings for condensers of refrigerator systems
Assignee: MCCRAY REFRIGERATOR Co IN
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Filing: 1963-04-15
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Granted: 1964-09-15
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Expires: 1983-04-15
Abstract
No abstract record available.
Inventors
- 👤 Glenn W Mathis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:59
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/027; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/76; Y; Y10; Y10S; Y10S62/00; Y10S62/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A REFRIGERATING SYSTEM INCLUDING A COMPRESSOR, A CONDENSER, AND AN EVAPORATOR, SAID CONDENSER NORMALLY BEING EXPOSED TO OUTSIDE AIR, A HOUSING ENCLOSING SAID CONDENSER AND INCLUDING A FIRST LOUVER WITH MOVABLE BLADES FOR ADMITTING AMBIENT AIR TO THE INTERIOR OF SAID HOUSING, A SECOND LOUVER WITH MOVABLE BLADES FOR EXHAUSTING AIR FROM SAID HOUSING, A FAN FOR MOVING AIR PAST SAID CONDENSER, A THIRD LOUVER WITH MOVABLE BLADES POSITIONED TO ENABLE RECIRCULATION OF AIR WITHIN SAID HOUSING, AND CONTROL MEANS FOR CONTROLLING THE POSITION OF AT LEAST SOME OF SAID LOUVER BLADES IN RESPONSE TO THE TEMPERATURE OF THE AIR TO MAINTAIN THE TEMPERATURE OF THE AIR FLOWING PAST THE CONDENSER ABOVE A PREDETERMINED MINIMUM.
Claim 2
Dependent Claim
116 words
IN A REFRIGERATING SYSTEM INCLUDING A COMPRESSOR, A CONDENSER, AND AN EVAPORATOR, SAID CONDENSER NORMALLY BEING EXPOSED TO OUTSIDE AIR, A HOUSING ENCLOSING SAID CONDENSER AND INCLUDING A FIRST LOUVER WITH MOVABLE BLADES FOR ADMITTING AMBIENT AIR TO THE INTERIOR OF SAID HOUSING, A SECOND LOUVER WITH MOVABLE BLADES FOR EXHAUSTING AIR FROM SAID HOUSING, A FAN FOR MOVING AIR PAST SAID CONDENSER, A THIRD LOUVER WITH MOVABLE BLADES POSITIONED TO ENABLE RECIRCULATION OF AIR WITHIN SAID HOUSING, AND CONTROL MEANS FOR CONTROLLING THE POSITION OF AT LEAST SOME OF SAID LOUVER BLADES IN RESPONSE TO THE TEMPERATURE OF THE AIR TO MAINTAIN THE TEMPERATURE OF THE AIR FLOWING PAST THE CONDENSER ABOVE A PREDETERMINED MINIMUM.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |