Patent US3261180A successfully refreshed from Google Patents.
US3261180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooler unit
Assignee: Individual
•
Filing: 1960-02-19
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Granted: 1966-07-19
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Expires: 1980-02-19
Abstract
No abstract record available.
Inventors
- 👤 Porter Brian
- 👤 William A Hoyes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:21
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/40; H10W40/47; F; F25; F25D; F25D7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A COOLER UNIT COMPRISING A SEALED CONTAINER DIVIDE INTO TWO COMPARTMENTS, LIQUID COOLANT IN EACH COMPARTMENT, A TRANSFER TUBE WITHIN THE CONTAINER EXTENDING BETWEEN THE TWO COMPARTMENTS AND PLACING THE COMPARTMENTS IN COMMUNICATION WITH EACH OTHER, A LIQUID FLOW RESTRICTING PACKING IN AT LEAST ONE OF SAID COMPARTMENTS, AN EXHAUST TUBE CONNECTING SAID ONE COMPARTMENT TO THE EXTERIOR OF SAID CONTAINER, SAID TUBE EXTENDING THROUGH THE OTHER COMPARTMENT OF SAID CONTAINER AND MEANS NORMALLY CLOSING THE EXHAUST TUBE AND OPERABLE TO PLACE THE INTERIOR OF SAID ONE COMPARTMENT IN COMMUNICATION WITH THE EXTERIOR OF SAID CONTAINER, SAID TRANSFER TUBE HAVING A MEANS POSITIONED ON THE END EXTENDING INTO SAID ONE COMPARTMENT TO RESTRICT THE FLOW THERETHROUGH RELATIVE TO THE FLOW AFFORD TO THE EXHAUST TUBE.
Claim 2
Dependent Claim
125 words
A COOLER UNIT COMPRISING A SEALED CONTAINER DIVIDE INTO TWO COMPARTMENTS, LIQUID COOLANT IN EACH COMPARTMENT, A TRANSFER TUBE WITHIN THE CONTAINER EXTENDING BETWEEN THE TWO COMPARTMENTS AND PLACING THE COMPARTMENTS IN COMMUNICATION WITH EACH OTHER, A LIQUID FLOW RESTRICTING PACKING IN AT LEAST ONE OF SAID COMPARTMENTS, AN EXHAUST TUBE CONNECTING SAID ONE COMPARTMENT TO THE EXTERIOR OF SAID CONTAINER, SAID TUBE EXTENDING THROUGH THE OTHER COMPARTMENT OF SAID CONTAINER AND MEANS NORMALLY CLOSING THE EXHAUST TUBE AND OPERABLE TO PLACE THE INTERIOR OF SAID ONE COMPARTMENT IN COMMUNICATION WITH THE EXTERIOR OF SAID CONTAINER, SAID TRANSFER TUBE HAVING A MEANS POSITIONED ON THE END EXTENDING INTO SAID ONE COMPARTMENT TO RESTRICT THE FLOW THERETHROUGH RELATIVE TO THE FLOW AFFORD TO THE EXHAUST TUBE.
References Cited (Backward Citations)
GB189807773A
Cited
US1057052A
Cited
US1515119A
Cited
US2566301A
Cited
US2515092A
Cited
US2791104A
Cited
US2818717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |