US3280592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for chilling liquid
Assignee: Individual
•
Filing: 1965-01-19
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Granted: 1966-10-25
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Expires: 1985-01-19
Abstract
No abstract record available.
Inventors
- 👤 Donald J Barday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:26
CPC Classifications
F; F25; F25D; F25D31/00; F25D31/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A LIQUID CHILLING DEVICE FOR SUPPLYING A HEAT EXCHANGE SYSTEM WITH LIQUID COOLED BY A REFRIGERANT SYSTEM EMPLOYING EXPANDING REFRIGERANT COMPRISING A STORAGE TANK FOR HOLDING A RESERVE LIQUID TO BE CHILLED, PUMP MEANS CONNECTED TO SAID STORAGE TANK FOR WITHDRAWING LIQUID THEREFROM, COAXIAL TUBING IN SAID STORAGE TANK INCLUDING INNER TUBING AND OUTER TUBING, SAID PUMP MEANS BEING CONNECTED TO THE INLET END OF SAID INNER TUBING FOR DISCHARGING SAID WITHDRAWN LIQUID THROUGH SAID INNER TUBIN, OUTLET MEANS BEING ATTACHED TO THE END OF SAID INNER TUBING REMOTE FROM SAID PUMP MEANS FOR COUPLING SAID INNER TUBING TO SAID HEAT EXCHANGE SYSTEM FOR SUPPLYING SAID HEAT EXCHANGE SYSTEM WITH COOLING LIQUID, INLET MEANS ATTACHED TO SAID TANK FOR RETURNING THE COOLED LIQUID FROM SAID HEAT EXCHANGE SYSTEM BACK TO SAID TANK, AND OUTER TUBING COUPLING MEANS BEING ATTACHED TO SPACED
Claim 2
Dependent Claim
141 words
A LIQUID CHILLING DEVICE FOR SUPPLYING A HEAT EXCHANGE SYSTEM WITH LIQUID COOLED BY A REFRIGERANT SYSTEM EMPLOYING EXPANDING REFRIGERANT COMPRISING A STORAGE TANK FOR HOLDING A RESERVE LIQUID TO BE CHILLED, PUMP MEANS CONNECTED TO SAID STORAGE TANK FOR WITHDRAWING LIQUID THEREFROM, COAXIAL TUBING IN SAID STORAGE TANK INCLUDING INNER TUBING AND OUTER TUBING, SAID PUMP MEANS BEING CONNECTED TO THE INLET END OF SAID INNER TUBING FOR DISCHARGING SAID WITHDRAWN LIQUID THROUGH SAID INNER TUBIN, OUTLET MEANS BEING ATTACHED TO THE END OF SAID INNER TUBING REMOTE FROM SAID PUMP MEANS FOR COUPLING SAID INNER TUBING TO SAID HEAT EXCHANGE SYSTEM FOR SUPPLYING SAID HEAT EXCHANGE SYSTEM WITH COOLING LIQUID, INLET MEANS ATTACHED TO SAID TANK FOR RETURNING THE COOLED LIQUID FROM SAID HEAT EXCHANGE SYSTEM BACK TO SAID TANK, AND OUTER TUBING COUPLING MEANS BEING ATTACHED TO SPACED
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |