US3357203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorption refrigeration system
Assignee: Whirlpool Corp
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Filing: 1966-06-10
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Granted: 1967-12-12
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Expires: 1986-06-10
Abstract
No abstract record available.
Inventors
- 👤 Stanford W Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:08
CPC Classifications
F; F25; F25B; F25B15/00; F25B15/02; F25B15/04; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02B; Y02B30/00; Y02B30/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A TWO-PRESSURE ABSORPTION REFRIGERATION SYSTEM SUBJECT TO OPERATING AND SHUT-DOWN PERIODS, COMPRISING: A GENERATOR ON THE HIGH PRESSURE SIDE OF SAID SYSTEM IN WHICH ABSORPTION LIQUID RICH IN DISSOLVED REFRIGERANT IS HEATED TO GENERATE REFRIGERANT VAPORS; LIQUID CONDUIT MEANS FOR CONVEYING RICH LIQUID FROM THE LOW PRESSURE SIDE OF SAID SYSTEM TO SAID GENERATOR DURING SAID OPERATING PERIODS; LIQUID TRAP MEANS IN SAID CONDUIT MEANS EXTERIORLY OF SAID GENERATOR FOR ENTRAPPING A SUPPLY OF RICH LIQUID DURING SAID OPERATING PERIODS AND RETAINING SAID SUPPLY EXTERIORLY OF SAID GENERATOR DURING SAID SHUTDOWN PERIODS; ENERGIZABLE PRESSURE APPLYING TRANSFER MEANS OPERATIVELY ASSOCIATED WITH SAID CONDUIT MEANS FOR CAUSING SAID CONVEYING DURING SAID OPERATING PERIODS; AND PASSAGE MEANS PROVIDING OPERATING COMMUNICATION BETWEEN SAID TRAP MEANS AND ENERGIZABLE TRANSFER MEANS DURING SAID SHUT-DOWN PERIODS FOR SUBSTANTIALLY IMMEDIATE TRANSFER OF SAID SUPPLY TO SAID GENERATOR ON INITIATING THE NEXT SUBSEQUENT OPERATING PERIOD.
Claim 2
Dependent Claim
146 words
A TWO-PRESSURE ABSORPTION REFRIGERATION SYSTEM SUBJECT TO OPERATING AND SHUT-DOWN PERIODS, COMPRISING: A GENERATOR ON THE HIGH PRESSURE SIDE OF SAID SYSTEM IN WHICH ABSORPTION LIQUID RICH IN DISSOLVED REFRIGERANT IS HEATED TO GENERATE REFRIGERANT VAPORS; LIQUID CONDUIT MEANS FOR CONVEYING RICH LIQUID FROM THE LOW PRESSURE SIDE OF SAID SYSTEM TO SAID GENERATOR DURING SAID OPERATING PERIODS; LIQUID TRAP MEANS IN SAID CONDUIT MEANS EXTERIORLY OF SAID GENERATOR FOR ENTRAPPING A SUPPLY OF RICH LIQUID DURING SAID OPERATING PERIODS AND RETAINING SAID SUPPLY EXTERIORLY OF SAID GENERATOR DURING SAID SHUTDOWN PERIODS; ENERGIZABLE PRESSURE APPLYING TRANSFER MEANS OPERATIVELY ASSOCIATED WITH SAID CONDUIT MEANS FOR CAUSING SAID CONVEYING DURING SAID OPERATING PERIODS; AND PASSAGE MEANS PROVIDING OPERATING COMMUNICATION BETWEEN SAID TRAP MEANS AND ENERGIZABLE TRANSFER MEANS DURING SAID SHUT-DOWN PERIODS FOR SUBSTANTIALLY IMMEDIATE TRANSFER OF SAID SUPPLY TO SAID GENERATOR ON INITIATING THE NEXT SUBSEQUENT OPERATING PERIOD.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |