Patent US3299652A successfully refreshed from Google Patents.
US3299652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorption refrigeration systems
Assignee: Carrier Corp
•
Filing: 1965-04-14
•
Granted: 1967-01-24
•
Expires: 1985-04-14
Abstract
No abstract record available.
Inventors
- 👤 Keith V Eisberg
- 👤 Joseph R Bourne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:54
CPC Classifications
F; F25; F25B; F25B15/00; F25B15/02; F25B15/06; F25B2315/00; F25B2315/001; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02B; Y02B30/00; Y02B30/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A METHOD OF OPERATION OF AN ABSORPTION REFRIGERATION SYSTEM INCLUDING A GENERATOR, A CONDENSER, AN EVAPORATOR, AN ABSORBER, A PUMP TO FORWARD WEAK SOLUTION FROM THE ABSORBER TO THE GENERATOR AND MEANS TO SUPPLY STRONG SOLUTION FROM THE GENERATOR TO THE ABSORBER, THE STEPS WHICH CONSIST IN, AT START-UP, SUPPLYING A HEAT EXCHANGE MEDIUM TO THE GENERATOR TO BOIL SOLUTION THEREIN, PASSING WEAK SOLUTION IN A PATH ABOUT THE ABSORBER WHILE SUBJECTING SOLUTION IN THE GENERATOR TO PRESSURE OF SOLUTION IN SAID PATH, AND, UPON SUBSTANTIAL BOILING OF SOLUTION IN THE GEN-
Claim 2
Dependent Claim
93 words
IN A METHOD OF OPERATION OF AN ABSORPTION REFRIGERATION SYSTEM INCLUDING A GENERATOR, A CONDENSER, AN EVAPORATOR, AN ABSORBER, A PUMP TO FORWARD WEAK SOLUTION FROM THE ABSORBER TO THE GENERATOR AND MEANS TO SUPPLY STRONG SOLUTION FROM THE GENERATOR TO THE ABSORBER, THE STEPS WHICH CONSIST IN, AT START-UP, SUPPLYING A HEAT EXCHANGE MEDIUM TO THE GENERATOR TO BOIL SOLUTION THEREIN, PASSING WEAK SOLUTION IN A PATH ABOUT THE ABSORBER WHILE SUBJECTING SOLUTION IN THE GENERATOR TO PRESSURE OF SOLUTION IN SAID PATH, AND, UPON SUBSTANTIAL BOILING OF SOLUTION IN THE GEN-
References Cited (Backward Citations)
US2518180A
Cited
US2479062A
Cited
US2550429A
Cited
US3014349A
Cited
US3206947A
Cited
US3187515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |