Patent US3077086A successfully refreshed from Google Patents.
US3077086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
exchanger
Assignee: —
•
Filing: —
•
Granted: 1963-02-12
•
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
2026-10-28 19:08
CPC Classifications
F; F25; F25B; F25B13/00; F25B41/00; F25B2313/00; F25B2313/027; F25B2313/02791; F25B25/00; F25B31/00; F25B31/002; F25B31/004; F25B40/00; F25B41/30; F25B41/31; F25B41/315; Y; Y10; Y10S; Y10S62/00; Y10S62/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 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, CONDUIT MEANS COMMUNICATING THE DISCHARGE OF SAID COMPRESSION MEANS TO THE UPSTREAM SIDE OF SAID HEAT EXCHANGE MEANS, SAID CONDUIT MEANS BEING ADAPTED TO DELIVER HOT COMPRESSED GASEOUS REFRIGERANT INTERCHANGEABLY AND SELECTIVELY TO THE UPSTREAM SIDE OF AT LEAST ONE OF SAID HEAT EXCHANGE MEANS, AND A PUMP CIRCULATION CYCLE HAVING ITS SUCTION CONNECTED TO SAID SEPARATING MEANS TO RECEIVE LIQUID REFRIGERANT THEREFROM
Claim 2
Dependent Claim
116 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, CONDUIT MEANS COMMUNICATING THE DISCHARGE OF SAID COMPRESSION MEANS TO THE UPSTREAM SIDE OF SAID HEAT EXCHANGE MEANS, SAID CONDUIT MEANS BEING ADAPTED TO DELIVER HOT COMPRESSED GASEOUS REFRIGERANT INTERCHANGEABLY AND SELECTIVELY TO THE UPSTREAM SIDE OF AT LEAST ONE OF SAID HEAT EXCHANGE MEANS, AND A PUMP CIRCULATION CYCLE HAVING ITS SUCTION CONNECTED TO SAID SEPARATING MEANS TO RECEIVE LIQUID REFRIGERANT THEREFROM
References Cited (Backward Citations)
US1703965A
Cited
US2140462A
Cited
US2185515A
Cited
US2225491A
Cited
US2344215A
Cited
US2617265A
Cited
US2718766A
Cited
US2718764A
Cited
US2779171A
Cited
US2715317A
Cited
US2882698A
Cited
US2892321A
Cited
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 |