US3079764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid cycle refrigeration
Assignee: Cleveland Pneumatic Industries Inc
•
Filing: 1958-07-11
•
Granted: 1963-03-05
•
Expires: 1978-07-11
Abstract
No abstract record available.
Inventors
- 👤 Jr William B Westcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:38
CPC Classifications
F; F25; F25B; F25B23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE METHOD OF PRODUCING REFRIGERATION USING A REFRIGERANT MAINTAINED IN THE LIQUID STATE DURING EACH STEP OF THE METHOD COMPRISING, THE STEP OF EXPANDING COMPRESSED REFRIGERANT AGAINST A WORKING ELEMENT TO SUPPLY WORK TO THE WORKING ELEMENT BY SAID EXPANSION AND PRODUCING A REDUCTION OF THE TEMPERATURE OF THE REFRIGERANT, AND THE STEP OF CIRCULATING SAID REFRIGERANT AFTER THE EXPANSION OF THE REFRIGERANT WHICH PRODUCES THE REDUCED TEMPERATURE THEREOF THROUGH HEAT EXCHANGING MEANS OF SUBSTANTIAL CAPACITY FOR THE RECEPTION OF HEAT BY THE EXPANDED REFRIGERANT.
Claim 2
Independent Claim
85 words
THE METHOD OF PRODUCING REFRIGERATION USING A REFRIGERANT MAINTAINED IN THE LIQUID STATE DURING EACH STEP OF THE METHOD COMPRISING, THE STEP OF EXPANDING COMPRESSED REFRIGERANT AGAINST A WORKING ELEMENT TO SUPPLY WORK TO THE WORKING ELEMENT BY SAID EXPANSION AND PRODUCING A REDUCTION OF THE TEMPERATURE OF THE REFRIGERANT, AND THE STEP OF CIRCULATING SAID REFRIGERANT AFTER THE EXPANSION OF THE REFRIGERANT WHICH PRODUCES THE REDUCED TEMPERATURE THEREOF THROUGH HEAT EXCHANGING MEANS OF SUBSTANTIAL CAPACITY FOR THE RECEPTION OF HEAT BY THE EXPANDED REFRIGERANT.
References Cited (Backward Citations)
US1419844A
Cited
US1560705A
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US1584382A
Cited
GB210540A
Cited
US1990052A
Cited
US2212503A
Cited
US2481469A
Cited
US2785540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |