Patent US367474A successfully refreshed from Google Patents.
US3193003A
Expired / Lapsed
US
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Heat exchange apparatus having additional conducting paths
Assignee: Varian Medical Systems Inc
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Filing: 1961-07-03
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Granted: 1965-07-06
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Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Peter A Mccuen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:52
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/36; H01J25/38; H01J19/00; H01J19/28; H01J19/32; H01J19/36; H01J19/74; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
COOLING APPARATUS FOR AN ELECTRON DEVICE COMPRISING, A METALLIC MEMBER DEFINING A LONGITUDINAL AXIS, A PLURALITY OF FINS RADIATING FROM SAID METALLIC MEMBER, FIRST MEANS SUBSTANTIALLY TRANSVERSELY ORIENTED WITH RESPECT TO SAID LONGITUDINAL AXIS FORMING A LOW THERMAL RESISTANCE PATH FROM SAID METALLIC MEMBER TO AN OUTER PORTION OF SAID FINS, THE THERMAL RESISTANCE OF SAID FIRST MEANS BEING LESS THAN THE THERMAL RESISTANCE OF ANY ONE OF SAID PLURALITY OF FINS, AND SECOND MEANS FORMING A LOW THERMAL RESISTANCE PATH, SAID SECOND MEANS BEING SPACED FROM SAID METALLIC MEMBER AND COUPLED TO SAID FIRST MEANS AND TO SAID FINS WHEREBY THE TEMPERATURE OF EACH OF SAID FINS IS MAINTAINED APPROXIMATELY UNIFORM OVER THE ENTIRE FIN.
Claim 2
Dependent Claim
116 words
COOLING APPARATUS FOR AN ELECTRON DEVICE COMPRISING, A METALLIC MEMBER DEFINING A LONGITUDINAL AXIS, A PLURALITY OF FINS RADIATING FROM SAID METALLIC MEMBER, FIRST MEANS SUBSTANTIALLY TRANSVERSELY ORIENTED WITH RESPECT TO SAID LONGITUDINAL AXIS FORMING A LOW THERMAL RESISTANCE PATH FROM SAID METALLIC MEMBER TO AN OUTER PORTION OF SAID FINS, THE THERMAL RESISTANCE OF SAID FIRST MEANS BEING LESS THAN THE THERMAL RESISTANCE OF ANY ONE OF SAID PLURALITY OF FINS, AND SECOND MEANS FORMING A LOW THERMAL RESISTANCE PATH, SAID SECOND MEANS BEING SPACED FROM SAID METALLIC MEMBER AND COUPLED TO SAID FIRST MEANS AND TO SAID FINS WHEREBY THE TEMPERATURE OF EACH OF SAID FINS IS MAINTAINED APPROXIMATELY UNIFORM OVER THE ENTIRE FIN.
References Cited (Backward Citations)
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US1854278A
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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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |