Patent US3172270A successfully refreshed from Google Patents.
US3172270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration systems
Assignee: Individual
•
Filing: 1961-01-19
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Granted: 1965-03-09
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Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Mirante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:27
CPC Classifications
F; F25; F25B; F25B27/00; F25B1/00; F25B1/04; F25B1/053; Y; Y10; Y10S; Y10S62/00; Y10S62/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A REFRIGERATION SYSTEM COMPRISING A RECEIVER CONDENSER FOR LIQUID REFRIGERANT, AN EVAPORATOR, MEANS FOR DELIVERING LIQUID REFRIGERANT FROM THE RECEIVER CONDENSER TO THE EVAPORATOR WHEREIN THE LIQUID REFRIEGERANT IS EVAPORATED INTO A FIRST GASEOUS PHASE AND A SECOND SATURATED GAS AND LIQUID PHASE, A SEPARATOR ADAPTED FOR SEPARATING THE FIRST GASEOUS PHASE FROM THE SECOND SATURATED GAS AND LIQUID PHASE, A VAPORIZER AND A PUMP FOR PUMPING THE SECOND SATURATED GAS AND LIQUID PHASE TO THE VAPORIZER, MEANS IN THE VAPORIZER FOR HEATING AND VAPORIZING THE SAID SECOND PHASE TO A HIGH PRESSURE GAS, A TURBINE CONNECTED TO RECEIVE HIGH PRESSURE GAS FROM SAID VAPORIZER, AND DELIVER ITS EXHAUST GAS TO SAID CONDENSER, A COMPRESSOR CONNECTED TO RECEIVE AND FIRST GASEOUS PHASE FROM SAID SEPARATOR AND DELIVER COMPRESSED GAS TO SAID CONDENSER, SAID COMPRESSOR AND PUMP BEING CONNECTED TO SAID TURBINE FOR DRIVE THEREBY, AND MEANS IN THE CONDENSER TO COOL AND LIQUEFY THE RETURNED COMPRESSED GAS.
Claim 2
Dependent Claim
157 words
A REFRIGERATION SYSTEM COMPRISING A RECEIVER CONDENSER FOR LIQUID REFRIGERANT, AN EVAPORATOR, MEANS FOR DELIVERING LIQUID REFRIGERANT FROM THE RECEIVER CONDENSER TO THE EVAPORATOR WHEREIN THE LIQUID REFRIEGERANT IS EVAPORATED INTO A FIRST GASEOUS PHASE AND A SECOND SATURATED GAS AND LIQUID PHASE, A SEPARATOR ADAPTED FOR SEPARATING THE FIRST GASEOUS PHASE FROM THE SECOND SATURATED GAS AND LIQUID PHASE, A VAPORIZER AND A PUMP FOR PUMPING THE SECOND SATURATED GAS AND LIQUID PHASE TO THE VAPORIZER, MEANS IN THE VAPORIZER FOR HEATING AND VAPORIZING THE SAID SECOND PHASE TO A HIGH PRESSURE GAS, A TURBINE CONNECTED TO RECEIVE HIGH PRESSURE GAS FROM SAID VAPORIZER, AND DELIVER ITS EXHAUST GAS TO SAID CONDENSER, A COMPRESSOR CONNECTED TO RECEIVE AND FIRST GASEOUS PHASE FROM SAID SEPARATOR AND DELIVER COMPRESSED GAS TO SAID CONDENSER, SAID COMPRESSOR AND PUMP BEING CONNECTED TO SAID TURBINE FOR DRIVE THEREBY, AND MEANS IN THE CONDENSER TO COOL AND LIQUEFY THE RETURNED COMPRESSED GAS.
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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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |