US3225318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat transfer member for coaxial waveguide device
Assignee: Unisys Corp
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Filing: 1962-11-21
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Granted: 1965-12-21
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Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 William C Heithaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:32
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
MEANS FOR PROVIDING A HEAT TRANSFER PATH FROM AN INTERNALLY LOCATED ELEMENT THAT IS DISPOSED BETWEEN AND THERMALLY ISOLATED FROM THE CONDUCTORS OF A TEM MODE TRANSMISSION LINE THAT HAS AT LEAST FIRST AND SECOND CONDUCTORS, SAID MEANS COMPRISING, A HEAD TRANSFER MEMBER HAVING A TRANSVERSE CROSS-SECTIONAL SHAPE THAT INCLUDES A FIRST REGION THAT CONFORMS TO AND IS IN SURFACE CONTACT WITH A LARGE TRANSVERSE AREA OF ONE OF SAID CONDUCTORS THROUGHOUT THE REGION OF THE TRANSMISSION LINE OCCUPIED BY SAID ELEMENT, THE TRANSVERSE CROSS-SECTIONAL SHAPE OF SAID MEMBER ALSO INCLUDING A SECOND REGION IN GOOD THERMAL CONTACT WITH SAID INTERNALLY LOCATED ELEMENT, THEREBY TO PROVIDE A GOOD HEAT TRANSFER PATH FROM SAID ELEMENT TO SAID ONE CONDUCTOR, SAID HEAT TRANSFER MEMBER HAVING HIGH THERMAL CONDUCTIVITY AND BEING TRANSVERSELY SPACED FROM THE OTHER OF SAID CONDUCTORS TO PRESENT POWER BREAKDOWN THEREBETWEEN, SAID MEMBER BEING THIN THROUGHOUT ITS TRANSVERSE CROSS-SECTIONAL SHAPE SO AS NOT TO CONSTITUTE A SIGNIFICANT DISCONTINUITY IN SAID TRANSMISSION LINE.
Claim 2
Dependent Claim
162 words
MEANS FOR PROVIDING A HEAT TRANSFER PATH FROM AN INTERNALLY LOCATED ELEMENT THAT IS DISPOSED BETWEEN AND THERMALLY ISOLATED FROM THE CONDUCTORS OF A TEM MODE TRANSMISSION LINE THAT HAS AT LEAST FIRST AND SECOND CONDUCTORS, SAID MEANS COMPRISING, A HEAD TRANSFER MEMBER HAVING A TRANSVERSE CROSS-SECTIONAL SHAPE THAT INCLUDES A FIRST REGION THAT CONFORMS TO AND IS IN SURFACE CONTACT WITH A LARGE TRANSVERSE AREA OF ONE OF SAID CONDUCTORS THROUGHOUT THE REGION OF THE TRANSMISSION LINE OCCUPIED BY SAID ELEMENT, THE TRANSVERSE CROSS-SECTIONAL SHAPE OF SAID MEMBER ALSO INCLUDING A SECOND REGION IN GOOD THERMAL CONTACT WITH SAID INTERNALLY LOCATED ELEMENT, THEREBY TO PROVIDE A GOOD HEAT TRANSFER PATH FROM SAID ELEMENT TO SAID ONE CONDUCTOR, SAID HEAT TRANSFER MEMBER HAVING HIGH THERMAL CONDUCTIVITY AND BEING TRANSVERSELY SPACED FROM THE OTHER OF SAID CONDUCTORS TO PRESENT POWER BREAKDOWN THEREBETWEEN, SAID MEMBER BEING THIN THROUGHOUT ITS TRANSVERSE CROSS-SECTIONAL SHAPE SO AS NOT TO CONSTITUTE A SIGNIFICANT DISCONTINUITY IN SAID TRANSMISSION LINE.
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |