US3103109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Home appliance
Assignee: Whirlpool Corp
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Filing: 1960-09-14
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Granted: 1963-09-10
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Expires: 1980-09-14
Abstract
No abstract record available.
Inventors
- 👤 John E Krug
- 👤 Earl F Hubacker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:05
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/06; F25D17/062; F25D17/065; F25D2317/00; F25D2317/06; F25D2317/065; F25D2317/0653; F25D2317/0654; F25D2317/068; F25D2317/0681; F25D2317/0683; F25D2400/00; F25D2400/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
REFRIGERATING APPARATUS, COMPRISING: A STRUCTURAL ELEMENT; MEANS INCLUDING A CONDUCTIVE PLATE FORMING A FIRST FLUID PASSAGE IN SAID ELEMENT; MEANS INCLUDING SAID PLATE FORMING A SECOND FLUID PASSAGE IN SAID ELEMENT; A REFRIGERATING MEANS IN THERMAL TRANSFER ASSOCIATION WITH SAID PASSAGES FOR COOLING SAID FIRST PASSAGE TO A SUBFREEZING TEMPERATURE AND SAID SECOND PASSAGE TO AN ABOVE-
Claim 2
Dependent Claim
57 words
REFRIGERATING APPARATUS, COMPRISING: A STRUCTURAL ELEMENT; MEANS INCLUDING A CONDUCTIVE PLATE FORMING A FIRST FLUID PASSAGE IN SAID ELEMENT; MEANS INCLUDING SAID PLATE FORMING A SECOND FLUID PASSAGE IN SAID ELEMENT; A REFRIGERATING MEANS IN THERMAL TRANSFER ASSOCIATION WITH SAID PASSAGES FOR COOLING SAID FIRST PASSAGE TO A SUBFREEZING TEMPERATURE AND SAID SECOND PASSAGE TO AN ABOVE-
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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |