US3202075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning device for vehicles with air-cooled engines
Assignee: Individual
•
Filing: 1961-01-04
•
Granted: 1965-08-24
•
Expires: 1981-01-04
Abstract
No abstract record available.
Inventors
- 👤 John E Eriksson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:04
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/02; B60H1/14; B60H1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A RETURN AIR INLET DEVICE FOR MOUNTING IN A COMPARTMENT IN A VEHICLE HAVING AN ENGINE TYPE HEATING SYSTEM FOR SUPPLYING AIR TO SAID COMPARTMENT IN SAID VEHICLE WHICH DEVICE COMPRISES AN ELONGATED CHAMBER HAVING FRONT, REAR ANND END WALLS, A CLOSED BOTTOM AND AN OPEN TOP FORMING A RETURN AIR OPENING, THE REAR WALL HAVING AN OUTLET OPENING NEAR ITS LOWER EDGE; MOUNTED INSAID OPENING A TUBULAR CONDUIT ADAPTED TO EXTEND THROUGH A REAR WALL OF A COMPARTMENT TO COMMUNICATE WITH A FRESH AIR INLET OF AN ENGINE HEATING SYSTEM; AND AS A PART OF SAID CHAMBER INCLINED BUFFER WALLS EXTENDING FROM SAID END WALL TO A POINT BELOW THE SAID OUTLET OPENING.
Claim 2
Dependent Claim
114 words
A RETURN AIR INLET DEVICE FOR MOUNTING IN A COMPARTMENT IN A VEHICLE HAVING AN ENGINE TYPE HEATING SYSTEM FOR SUPPLYING AIR TO SAID COMPARTMENT IN SAID VEHICLE WHICH DEVICE COMPRISES AN ELONGATED CHAMBER HAVING FRONT, REAR ANND END WALLS, A CLOSED BOTTOM AND AN OPEN TOP FORMING A RETURN AIR OPENING, THE REAR WALL HAVING AN OUTLET OPENING NEAR ITS LOWER EDGE; MOUNTED INSAID OPENING A TUBULAR CONDUIT ADAPTED TO EXTEND THROUGH A REAR WALL OF A COMPARTMENT TO COMMUNICATE WITH A FRESH AIR INLET OF AN ENGINE HEATING SYSTEM; AND AS A PART OF SAID CHAMBER INCLINED BUFFER WALLS EXTENDING FROM SAID END WALL TO A POINT BELOW THE SAID OUTLET OPENING.
References Cited (Backward Citations)
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Cited
GB111003A
Cited
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Cited
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Cited
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Cited
US2920829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |