US2709346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Generator condensate lift in absorption refrigeration apparatus
Assignee: Servel Inc
•
Filing: 1951-11-02
•
Granted: 1955-05-31
•
Expires: 1971-11-02
Abstract
No abstract record available.
Inventors
- 👤 Harry C Shagaloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:03
CPC Classifications
F; F25; F25B; F25B15/00; F25B15/02; F25B15/06; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02B; Y02B30/00; Y02B30/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
IN COMBINATION WITH A HEAT OPERATED REFRIGERATION SYSTEM HAVING A HEATING CHAMBER AND A HEAT REJECTING ELEMENT, CONDUIT MEANS FOR FLOWING COOLING WATER IN HEAT EXCHANGE WITH THE HEAT REJECTING ELEMENT, A BOILER FOR PRODUCING VAPOR FOR THE HEATING CHAMBER AND FLUE GAS FOR TREATING THE COOLING WATER, AND APPARATUS CONNECTED TO
Claim 2
Dependent Claim
52 words
IN COMBINATION WITH A HEAT OPERATED REFRIGERATION SYSTEM HAVING A HEATING CHAMBER AND A HEAT REJECTING ELEMENT, CONDUIT MEANS FOR FLOWING COOLING WATER IN HEAT EXCHANGE WITH THE HEAT REJECTING ELEMENT, A BOILER FOR PRODUCING VAPOR FOR THE HEATING CHAMBER AND FLUE GAS FOR TREATING THE COOLING WATER, AND APPARATUS CONNECTED TO
References Cited (Backward Citations)
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Cited
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US1771077A
Cited
US1960914A
Cited
US2374521A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |