Patent US3180109A successfully refreshed from Google Patents.
US3180109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for operating refrigerated equipment
Assignee: Newfrey LLC
•
Filing: 1963-08-21
•
Granted: 1965-04-27
•
Expires: 1983-08-21
Abstract
No abstract record available.
Inventors
- 👤 Clifford J Kimmel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:57
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; F; F25; F25B; F25B29/00; F25D; F25D23/00; F25D23/003; F25B2339/00; F25B2339/04; F25B2339/047; F25B2400/00; F25B2400/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
134 words
A SYSTEM EMBODYING A PLURALITY OF REFRIGERATED DISPLAY CASES LOCATED ADJACENT AN AISLE AND EACH HAVING AN EVAPORATOR THEREIN FOR REFRIGERATING AIR IN THE CASE, A COMMON REFRIGERANT CONDENSER TO WHICH ALL OF SAID EVAPORATORS ARE CONNECTED, SAID COMMON CONDENSER BEING LOCATED AT A POINT REMOTE FROM SAID DISPLAY CASES AND INCLUDING HEAT EXCHANGE MEANS ASSOCIATED WITH THE CONDENSER FOR RECOVERING HEAT THEREFROM, A BLOWER FOR FORCING AIR OVER SAID HEAT EXCHANGE MEANS TO RAISE THE TEMPERATURE OF THE AIR, A DUCT RECEIVING HEATED AIR FROM THE HEAT EXCHANGE MEANS AND EXTENDING TO THE AISLE ADJACENT TO WHICH THE DISPLAY CASES ARE LOCATED, SAID DUCT HAVING AT LEAST ONE OUTLET NEAR THE CASES THROUGH WHICH THE HEATED AIR MAY BE DISCHARGED FOR RAISING THE TEMPERATURE OF THE AIR IN THE AISLE ADJACENT THE CASES.
References Cited (Backward Citations)
US3125864A
Cited
US2292335A
Cited
US2797068A
Cited
US2892324A
Cited
US2883836A
Cited
US3063255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |