US3375677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for maintaining high humidity in a frost-free domestic refrigerator
Assignee: Motors Liquidation Co
•
Filing: 1967-01-03
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Granted: 1968-04-02
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Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 James A Bright
- 👤 John J O'connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:49
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/06; F25D17/062; F25D17/065; F25D17/042; F25D2317/00; F25D2317/04; F25D2317/041; F25D2317/0413; F25D2317/06; F25D2317/067; F25D2317/068; F25D2317/0682; F25D2400/00; F25D2400/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2175498A
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US2285945A
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US2289662A
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US2589551A
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US2467427A
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US2476123A
Cited
US2576665A
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US2866323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |