US3290893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Household refrigerator
Assignee: General Electric Co
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Filing: 1965-09-29
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Granted: 1966-12-13
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Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Haldopoulos Akis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:20
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/06; F25D17/062; F25D17/065; F25D17/042; F25D17/045; F25D2317/00; F25D2317/06; F25D2317/065; F25D2317/0653; F25D2317/068; F25D2317/0683; F25D2400/00; F25D2400/04; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/218; Y10T137/2202; Y10T137/2218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A REFRIGERATOR INCLUDING FIRST AND SECOND STORAGE COMPARTMENTS AND MEANS FOR SUPPLYING REFRIGERATED AIR TO BOTH OF SAID COMPARMENTS, THE IMPROVEMENT WHICH COMPRISES A FLUID AMPLIFIER IN SAID AIR SUPPLYING MEANS, SAID FLUID AMPLIFIER INCLUDING A MAIN INLET FOR REFRIGERATED AIR, A FIRST OUTLET COMMUNICATING WITH SAID FIRST COMPARTMENT, A SECOND OUTLET COMMUNICATING WITH SAID SECOND COMPARMENT, A CONTROL PORT AND MEANS RESPONSIVE TO THE TEMPERATURE IN ONE OF SAID COMPARTMENTS FOR CONTROLLING AIR FLOW THROUGH SAID CONTROL PORT TO CHANGE THE BALANCE OF AIR FLOW TO SAID COMPARTMENTS.
Claim 2
Dependent Claim
90 words
IN A REFRIGERATOR INCLUDING FIRST AND SECOND STORAGE COMPARTMENTS AND MEANS FOR SUPPLYING REFRIGERATED AIR TO BOTH OF SAID COMPARMENTS, THE IMPROVEMENT WHICH COMPRISES A FLUID AMPLIFIER IN SAID AIR SUPPLYING MEANS, SAID FLUID AMPLIFIER INCLUDING A MAIN INLET FOR REFRIGERATED AIR, A FIRST OUTLET COMMUNICATING WITH SAID FIRST COMPARTMENT, A SECOND OUTLET COMMUNICATING WITH SAID SECOND COMPARMENT, A CONTROL PORT AND MEANS RESPONSIVE TO THE TEMPERATURE IN ONE OF SAID COMPARTMENTS FOR CONTROLLING AIR FLOW THROUGH SAID CONTROL PORT TO CHANGE THE BALANCE OF AIR FLOW TO SAID COMPARTMENTS.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |