US3077088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exchanger
Assignee: —
•
Filing: —
•
Granted: 1963-02-12
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Expires: 1980-02-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:33
CPC Classifications
F; F25; F25B; F25B1/00; F25B1/10; F25B13/00; F25B29/00; F25B29/003; F25B2400/00; F25B2400/07; F25B2400/075; F25B2400/0751; F25B2400/13; F25B2400/23; Y; Y10; Y10S; Y10S62/00; Y10S62/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN A HEAT PUMP, A PLURALITY OF HEAT EXCHANGE MEANS, A COMMON SEPARATING MEANS FOR STORING AND SEPARATING GASEOUS AND LIQUID REFRIGERANT, MEANS CONNECTING THE DOWNSTREAM SIDE OF EACH OF SAID HEAT EXCHANGE MEANS TO SAID SEPARATING MEANS, A COMPRESSION MEANS, SAID COMPRESSION MEANS HAVING ITS SUCTION CONNECTED TO SAID COMMON SEPARATING MEANS AND DISPOSED TO DISCHARGE HOT COMPRESSED GASEOUS REFRIGERANT INTERCHANGEABLY AND SELECTIVELY TO THE UPSTREAM SIDE OF AT LEAST ONE OF SAID HEAT EXCHANGE MEANS, AND A PUMP CIRCULATION CIRCUIT HAVING THE SUCTION CONNECTED TO SAID SEPARATING MEANS TO RECEIVE LIQUID REFRIGERANT THEREFROM AND TO FORCE FEED AN
Claim 2
Dependent Claim
100 words
IN A HEAT PUMP, A PLURALITY OF HEAT EXCHANGE MEANS, A COMMON SEPARATING MEANS FOR STORING AND SEPARATING GASEOUS AND LIQUID REFRIGERANT, MEANS CONNECTING THE DOWNSTREAM SIDE OF EACH OF SAID HEAT EXCHANGE MEANS TO SAID SEPARATING MEANS, A COMPRESSION MEANS, SAID COMPRESSION MEANS HAVING ITS SUCTION CONNECTED TO SAID COMMON SEPARATING MEANS AND DISPOSED TO DISCHARGE HOT COMPRESSED GASEOUS REFRIGERANT INTERCHANGEABLY AND SELECTIVELY TO THE UPSTREAM SIDE OF AT LEAST ONE OF SAID HEAT EXCHANGE MEANS, AND A PUMP CIRCULATION CIRCUIT HAVING THE SUCTION CONNECTED TO SAID SEPARATING MEANS TO RECEIVE LIQUID REFRIGERANT THEREFROM AND TO FORCE FEED AN
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |