US3109298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating systems
Assignee: Borg Warner Corp
•
Filing: 1962-04-02
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Granted: 1963-11-05
•
Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 James R Harnish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:30
CPC Classifications
F; F24; F24F; F24F5/00; F25; F25B; F25B1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN A REFRIGERATING SYSTEM FOR HEATING AND COOLING A CONDITIONING MEDIUM, A COMPRESSOR; A CONDENSER; AN OUTDOOR HEAT-EXCHANGER; A CHILLER; A SURGE DRUM FOR RECEIVING LIQUID AND GASEOUS REFRIGERANT, SAID SURGE DRUM INCLUDING A VAPOR SPACE THEREIN; A REFRIGERANT PUMP FOR RECEIVING LIQUID REFRIGERANT FROM SAID SURGE DRUM; REFRIGERANT LINES CONNECTING SAID COMPONENTS INTO A CLOSED REFRIGERATING CIRCUIT, SAID COMPRESSOR BEING CONNECTED WITH SAID VAPOR SPACE OF SAID SURGE DRUM; MEANS FOR
Claim 2
Dependent Claim
72 words
IN A REFRIGERATING SYSTEM FOR HEATING AND COOLING A CONDITIONING MEDIUM, A COMPRESSOR; A CONDENSER; AN OUTDOOR HEAT-EXCHANGER; A CHILLER; A SURGE DRUM FOR RECEIVING LIQUID AND GASEOUS REFRIGERANT, SAID SURGE DRUM INCLUDING A VAPOR SPACE THEREIN; A REFRIGERANT PUMP FOR RECEIVING LIQUID REFRIGERANT FROM SAID SURGE DRUM; REFRIGERANT LINES CONNECTING SAID COMPONENTS INTO A CLOSED REFRIGERATING CIRCUIT, SAID COMPRESSOR BEING CONNECTED WITH SAID VAPOR SPACE OF SAID SURGE DRUM; MEANS FOR
References Cited (Backward Citations)
US2928255A
Cited
US2998710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |