US3125862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus with defrost control means
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:04
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/002; F25D21/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A REFRIGERATING SYSTEM INCLUDING LIQUEFYING MEANS AND EVAPORATING MEANS, SUPPLY AND RETURN CONDUIT MEANS HAVING A PORTION IN HEAT INTERCHANGING RELATION OPERATIVELY CONNECTING SAID LIQUEFYING AND EVAPORATING MEANS, MEANS FOR OPERATING SAID LIQUEFYING MEANS TO COINCIDENTALLY ACCUMULATE FROST UPON THE EVAPORATING MEANS, MEANS FOR DEFROSTING SAID EVAPORATING MEANS, AND TEMPERATURE RESPONSIVE MEANS RESPONSIVE TO THE TEMPERATURE OF AN INTERMEDIATE PORTION OF THE RETURN CONDUIT MEANS LOCATED BETWEEN SAID PORTION IN HEAT INTERCHANGING RELATION AND SAID LIQUEFYING MEANS FOR INITIATING THE FUNCTIONING OF SAID DEFROSTING MEANS.
Claim 2
Dependent Claim
85 words
A REFRIGERATING SYSTEM INCLUDING LIQUEFYING MEANS AND EVAPORATING MEANS, SUPPLY AND RETURN CONDUIT MEANS HAVING A PORTION IN HEAT INTERCHANGING RELATION OPERATIVELY CONNECTING SAID LIQUEFYING AND EVAPORATING MEANS, MEANS FOR OPERATING SAID LIQUEFYING MEANS TO COINCIDENTALLY ACCUMULATE FROST UPON THE EVAPORATING MEANS, MEANS FOR DEFROSTING SAID EVAPORATING MEANS, AND TEMPERATURE RESPONSIVE MEANS RESPONSIVE TO THE TEMPERATURE OF AN INTERMEDIATE PORTION OF THE RETURN CONDUIT MEANS LOCATED BETWEEN SAID PORTION IN HEAT INTERCHANGING RELATION AND SAID LIQUEFYING MEANS FOR INITIATING THE FUNCTIONING OF SAID DEFROSTING MEANS.
References Cited (Backward Citations)
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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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |