US3080729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorption refrigeration
Assignee: Electrolux AB
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Filing: 1961-01-27
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Granted: 1963-03-12
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Expires: 1981-01-27
Abstract
No abstract record available.
Inventors
- 👤 Grubb Gunnar Axel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:40
CPC Classifications
F; F25; F25B; F25B33/00; F25B2333/00; F25B2333/002; F25B2333/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN ABSORPTION REFRIGERATION APPARATUS, HEAT RECEIVING STRUCTURE, A PLURALITY OF MEMBERS, SEPARATE MEANS FOR HEAT CONDUCTIVELY CONNECTING EACH OF SAID MEMBERS TO SAID STRUCTURE, A PLURALITY OF DIFFERENT HEATING MEANS, EACH OF SAID HEATING MEANS BEING ARRANGED TO HEAT A DIFFERENT ONE OF SAID MEMBERS, SAID MEMBERS BEING SO CONSTRUCTED AND FORMED THAT EACH OF SAID MEMBERS ABOVE IS CAPABLE OF SUPPLYING HEAT AT AN ADEQUATE RATE AND AT A SUFFICIENTLY ELEVATED TEMPERATURE TO EFFECT NORMAL OPERATION OF THE REFRIGERATION APPARATUS UNDER ALL CONDITIONS UNDER WHICH THE APPARATUS IS INTENDED TO BE OPERATED WHEN HEATED BY THE HEATING MEANS ASSOCIATED THEREWITH, AND MEANS FOR THROTTLING FLOW OF HEAT FROM SAID RECEIVING STRUCTURE TO ONE OF SAID MEMBERS WHEN THE REFRIGERATION APPARATUS IS BEING OPERATED BY ANOTHER OF SAID HEATING MEMBERS.
Claim 2
Dependent Claim
130 words
IN ABSORPTION REFRIGERATION APPARATUS, HEAT RECEIVING STRUCTURE, A PLURALITY OF MEMBERS, SEPARATE MEANS FOR HEAT CONDUCTIVELY CONNECTING EACH OF SAID MEMBERS TO SAID STRUCTURE, A PLURALITY OF DIFFERENT HEATING MEANS, EACH OF SAID HEATING MEANS BEING ARRANGED TO HEAT A DIFFERENT ONE OF SAID MEMBERS, SAID MEMBERS BEING SO CONSTRUCTED AND FORMED THAT EACH OF SAID MEMBERS ABOVE IS CAPABLE OF SUPPLYING HEAT AT AN ADEQUATE RATE AND AT A SUFFICIENTLY ELEVATED TEMPERATURE TO EFFECT NORMAL OPERATION OF THE REFRIGERATION APPARATUS UNDER ALL CONDITIONS UNDER WHICH THE APPARATUS IS INTENDED TO BE OPERATED WHEN HEATED BY THE HEATING MEANS ASSOCIATED THEREWITH, AND MEANS FOR THROTTLING FLOW OF HEAT FROM SAID RECEIVING STRUCTURE TO ONE OF SAID MEMBERS WHEN THE REFRIGERATION APPARATUS IS BEING OPERATED BY ANOTHER OF SAID HEATING MEMBERS.
References Cited (Backward Citations)
US1729355A
Cited
US2363771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |