US3553974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration system
Assignee: Carrier Corp
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Filing: 1968-11-29
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Granted: 1971-01-12
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Expires: 1988-11-29
Abstract
Abstract THE PRESENT INVENTION IS DIRECTED TO A REFRIGERATION SYSTEM COMPRISED OF A COMPRESSOR, CONDENSER, EVAPORATOR AND REFRIGERANT VESSEL, THE VESSEL INTERIORLY THEREOF BEING EQUIPPED WITH PERFORATE DISTRIBUTOR MEANS OF NOVEL CONSTRUCTION FUNCTIONING IN COOPERATION WITH A UNIQUE VALVING ARRANGEMENT TO ACCOMPLISH DURING THE FLASHING ACTION A MORE EFFICIENT SEPARATION OF REFRIGERANT LIQUID AND GAS, THEREBY ASSURING THAT THERE WILL BE ESSENTIALLY NO FLOW OF LIQUID TO THE INTERSTAGE SUCTION LINE OF THE COMPRESSOR.
Inventors
- 👤 William T Osborne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:53
CPC Classifications
F; F25; F25B; F25B1/00; F25B1/10; F25B49/00; F25B49/02; F25B2400/00; F25B2400/13; F25B2400/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |