US3169383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator with hollow cold shelf
Assignee: Whirlpool Corp
•
Filing: 1958-11-25
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Granted: 1965-02-16
•
Expires: 1978-11-25
Abstract
No abstract record available.
Inventors
- 👤 Evans T Morton
- 👤 Leo G Beckett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:20
CPC Classifications
F; F25; F25D; F25D25/00; F25D25/02; F25D25/028; F25D17/00; F25D17/04; F25D17/06; F25D17/062; F25D2317/00; F25D2317/06; F25D2317/061; F25D2317/066; F25D2317/0661; F25D2317/0665; F25D2317/067; F25D2317/0672; F25D2331/00; F25D2331/80; F25D2331/807; F25D2400/00; F25D2400/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN A REFRIGERATOR HAVING REFRIGERATING MEANS A FIXED BUT REMOVABLE CONTAINER HAVING A TOP ACCESS OPENING; FIRST MEANS FOR REFRIGERATING THE CONTAINER COMPRISING A WALL REMOVABLY CLOSING SAID ACCESS OPENING AND MEANS FOR DIRECTING AIR REFRIGERATED BY SAID REFRIGERATING MEANS AGAINST SAID WALL; SECOND MEANS FOR REFRIGERATING THE CONTAINER COMPRISING MEANS DIRECTING AIR REFRIGERATED BY SAID REFRIGERATING MEANS THROUGH SAID WALL INTO THE CONTAINER; AND THIRD MEANS FOR REFRIGERATING THE CONTAINER COMPRISING MEANS DIRECTING AIR REFRIGERATED BY SAID REFRIGERATING MEANS AGAINST THE EXTERIOR OF THE CONTAINER.
Claim 2
Dependent Claim
86 words
IN A REFRIGERATOR HAVING REFRIGERATING MEANS A FIXED BUT REMOVABLE CONTAINER HAVING A TOP ACCESS OPENING; FIRST MEANS FOR REFRIGERATING THE CONTAINER COMPRISING A WALL REMOVABLY CLOSING SAID ACCESS OPENING AND MEANS FOR DIRECTING AIR REFRIGERATED BY SAID REFRIGERATING MEANS AGAINST SAID WALL; SECOND MEANS FOR REFRIGERATING THE CONTAINER COMPRISING MEANS DIRECTING AIR REFRIGERATED BY SAID REFRIGERATING MEANS THROUGH SAID WALL INTO THE CONTAINER; AND THIRD MEANS FOR REFRIGERATING THE CONTAINER COMPRISING MEANS DIRECTING AIR REFRIGERATED BY SAID REFRIGERATING MEANS AGAINST THE EXTERIOR OF THE CONTAINER.
References Cited (Backward Citations)
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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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |