US3287925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intransit liquefied gas refrigeration system
Assignee: Union Carbide Corp
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Filing: 1963-12-05
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Granted: 1966-11-29
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Expires: 1983-12-05
Abstract
No abstract record available.
Inventors
- 👤 John J Kane
- 👤 Allen P Matter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:34
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/10; F25D3/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A METHOD FOR THE INTRANSIT PERSERVATION OF PERISHABLE PRODUCTS COMPRISING THE STEPS OF PROVIDING PRESSURIZED LOW-BOILING LIQUIFIED GAS, HAVING A BOILING POINT AT ATMOSPHERIC PRESSURE BELOW ABOUT -80*C., AND AT TEMPERATURE CORRESPONDING TO A VAPOR PRESSURE ABOVE ABOUT 10 P.S.I.G. WITH THE ENTIRE LIQUID AND VAPOR SUBSTANTIALLY IN EQUILIBRIUM AT THE TEMPERATURE OF THE LIQUID AT ALL TIMES, IN A MOBILE THERMALLY INSULATED STORAGE CONTAINER ASSOCIATED WITH A MOBILE THERMALLY INSULATED STORAGE CHAMBER; CONTROLLABLY DISPENSING PRESSURIZED LIQUEFIED GAS FROM THE CONTAINER BY SAID VAPOR PRESSURE AND SPRAYING SUCH PRESSURIZED LIQUIEFIED GAS IN LIQUID FORM AT ABOVE ATMOSPHERIC PRESSURE INTO THE STORAGE CHAMBER TO COOL AND MAINTAIN THE INTERIOR OF SUCH CHAMBER THEREBY TO A SELECTED TEMPERATURE RANGE BELOW AMBIENT; EXPOSING THE INTERIOR OF SAID STORAGE CHAMBER TO THE SURROUNDING ATMOSPHERE AND TERMINATING SUCH FLOW OF LIQUIEFIED GAS FROM WITHIN SAID CONTAINER.
Claim 2
Independent Claim
141 words
A METHOD FOR THE INTRANSIT PERSERVATION OF PERISHABLE PRODUCTS COMPRISING THE STEPS OF PROVIDING PRESSURIZED LOW-BOILING LIQUIFIED GAS, HAVING A BOILING POINT AT ATMOSPHERIC PRESSURE BELOW ABOUT -80*C., AND AT TEMPERATURE CORRESPONDING TO A VAPOR PRESSURE ABOVE ABOUT 10 P.S.I.G. WITH THE ENTIRE LIQUID AND VAPOR SUBSTANTIALLY IN EQUILIBRIUM AT THE TEMPERATURE OF THE LIQUID AT ALL TIMES, IN A MOBILE THERMALLY INSULATED STORAGE CONTAINER ASSOCIATED WITH A MOBILE THERMALLY INSULATED STORAGE CHAMBER; CONTROLLABLY DISPENSING PRESSURIZED LIQUEFIED GAS FROM THE CONTAINER BY SAID VAPOR PRESSURE AND SPRAYING SUCH PRESSURIZED LIQUIEFIED GAS IN LIQUID FORM AT ABOVE ATMOSPHERIC PRESSURE INTO THE STORAGE CHAMBER TO COOL AND MAINTAIN THE INTERIOR OF SUCH CHAMBER THEREBY TO A SELECTED TEMPERATURE RANGE BELOW AMBIENT; EXPOSING THE INTERIOR OF SAID STORAGE CHAMBER TO THE SURROUNDING ATMOSPHERE AND TERMINATING SUCH FLOW OF LIQUIEFIED GAS FROM WITHIN SAID CONTAINER.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |