US3138006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus including defrost means
Assignee: Motors Liquidation Co
•
Filing: 1962-04-30
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Granted: 1964-06-23
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Earl J Moorman
- 👤 John J O'connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:33
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/06; F25D21/08; F25D17/00; F25D17/04; F25D17/06; F25D17/062; F25D17/065; F25D21/002; F25D2317/00; F25D2317/06; F25D2317/065; F25D2317/0653; F25D2317/068; F25D2317/0683; F25D2400/00; F25D2400/04; F25D2700/00; F25D2700/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
REFRIGERATING APPARATUS INCLUDING INSULATING MEANS ENCLOSING A BELOW-FREEZING STORAGE COMPARTMENT AND AN ABOVE-FREEZING STORAGE COMPARTMENT INSULATED FROM EACH OTHER, COOLING MEANS FOR COOLING SAID BELOW-FREEZING COMPARTMENT TO BELOW-FREEZING TEMPERATURES AND SAID ABOVEFREEZING COMPARTMENT TO ABOVE-FREEZING REFRIGERATION STORAGE TEMPERATURES COMPRISING REFRIGERANT LIQUEFYING MEANS AND REFRIGERANT EVAPORATING MEANS OPERATED NORMALLY AT TEMPERATURES BELOW FREEZING SO AS TO ACCUMULATE FROST THEREON, AND MEANS CONCURRENTLY RESPONSIVE TO A PREDETERMINED HIGH TEMPERATURE OF SAID ABOVE-FREEZING COMPARTMENT AND A PREDETERMINED LOW TEMPERATURE OF SAID EVAPORATING MEANS FOR DEFROSTING SAID EVAPORATING MEANS.
Claim 2
Dependent Claim
85 words
REFRIGERATING APPARATUS INCLUDING INSULATING MEANS ENCLOSING A BELOW-FREEZING STORAGE COMPARTMENT AND AN ABOVE-FREEZING STORAGE COMPARTMENT INSULATED FROM EACH OTHER, COOLING MEANS FOR COOLING SAID BELOW-FREEZING COMPARTMENT TO BELOW-FREEZING TEMPERATURES AND SAID ABOVEFREEZING COMPARTMENT TO ABOVE-FREEZING REFRIGERATION STORAGE TEMPERATURES COMPRISING REFRIGERANT LIQUEFYING MEANS AND REFRIGERANT EVAPORATING MEANS OPERATED NORMALLY AT TEMPERATURES BELOW FREEZING SO AS TO ACCUMULATE FROST THEREON, AND MEANS CONCURRENTLY RESPONSIVE TO A PREDETERMINED HIGH TEMPERATURE OF SAID ABOVE-FREEZING COMPARTMENT AND A PREDETERMINED LOW TEMPERATURE OF SAID EVAPORATING MEANS FOR DEFROSTING SAID EVAPORATING MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |