US3275070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crossflow radiators
Assignee: Motors Liquidation Co
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Filing: 1963-04-09
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Granted: 1966-09-27
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Expires: 1983-04-09
Abstract
No abstract record available.
Inventors
- 👤 Paul K Beatenbough
- 👤 Robert W Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:41
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/053; F28D1/0535; F28D1/05366; F28D1/05383; F28F; F28F9/00; F28F9/02; F28F9/0231
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A CROSSFLOW RADIATOR COMPRISING ONLY TWO ELONGATED TANKS EACH HAVING A VERTICAL SIDE, THE SAID TANKS BEING AN INLET TANK AND AN OUTLET TANK, A CORE WITH TUBES EXTENDING HORIZONTALLY AND CONNECTING THE VERTICAL SIDES OF SAID TANKS TO FORM FLOW PASSAGES LEADING FROM SAID INLET TANK TO SAID OUTLET TANK, SAID INLET TANK HAVING A COOLANT INLET, SAID OUTLET TANK HAVING A COOLANT OUTLET, A PRESSURE ACTUATED AIR VENT CONNECTED TO ATMOSPHERE AND LOCATED AT THE TOP PORTION OF SAID OUTLET TANK IN FREE COMMUNICATION WITH TUBES OF SAID CORE, THE HORIZONTAL CROSS SECTIONAL AREA WITHIN THE SAID TOP PORTION OF SAID OUTLET TANK BEING CLEAR AND SUFFICIENTLY LARGE RELATIVE TO THE COOLANT FLOW RATE THROUGH THE SAID TUBES TO PERMIT AIR TO SEPARATE FROM SAID COOLANT UPON THE LATTER DISCHARGING FROM SAID TUBES INTO SAID OUTLET TANK, AND THE PATH FOR FLUID DEFINED BY SAID TWO TANKS AND TUBES BEING IN ONLY ONE HORIZONTAL DIRECTION.
Claim 2
Dependent Claim
157 words
A CROSSFLOW RADIATOR COMPRISING ONLY TWO ELONGATED TANKS EACH HAVING A VERTICAL SIDE, THE SAID TANKS BEING AN INLET TANK AND AN OUTLET TANK, A CORE WITH TUBES EXTENDING HORIZONTALLY AND CONNECTING THE VERTICAL SIDES OF SAID TANKS TO FORM FLOW PASSAGES LEADING FROM SAID INLET TANK TO SAID OUTLET TANK, SAID INLET TANK HAVING A COOLANT INLET, SAID OUTLET TANK HAVING A COOLANT OUTLET, A PRESSURE ACTUATED AIR VENT CONNECTED TO ATMOSPHERE AND LOCATED AT THE TOP PORTION OF SAID OUTLET TANK IN FREE COMMUNICATION WITH TUBES OF SAID CORE, THE HORIZONTAL CROSS SECTIONAL AREA WITHIN THE SAID TOP PORTION OF SAID OUTLET TANK BEING CLEAR AND SUFFICIENTLY LARGE RELATIVE TO THE COOLANT FLOW RATE THROUGH THE SAID TUBES TO PERMIT AIR TO SEPARATE FROM SAID COOLANT UPON THE LATTER DISCHARGING FROM SAID TUBES INTO SAID OUTLET TANK, AND THE PATH FOR FLUID DEFINED BY SAID TWO TANKS AND TUBES BEING IN ONLY ONE HORIZONTAL DIRECTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |