US3082610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for controlling pressure entering refrigerant flow device
Assignee: Marlo Coil Co
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Filing: 1959-02-24
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Granted: 1963-03-26
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Expires: 1979-02-24
Abstract
No abstract record available.
Inventors
- 👤 Angelo T Marlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:35
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/027; Y; Y10; Y10S; Y10S62/00; Y10S62/17
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
THE METHOD OF MAINTAINING A PREDETERMINED MINIMUM PRESSURE AT THE INLET PORT OF A REFRIGERANT FLOW CONTROL FOR A REFRIGERATION SYSTEM, WHICH HAS AN AIR-COOLED CONDENSER AND A RECEIVER, THAT COMPRISES INTRODUCING HEAT INTO THE BOTTOM OF THE RECEIVER TO HEAT THE LIQUID REFRIGERANT IN SAID RECEIVER AND ISOLATING SAID RECEIVER FROM SAID CONDENSER TO START FILLING SAID CONDENSER WITH LIQUID REFRIGERANT.
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |