US3389352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low loss microwave transmission lines across cryogenic temperature barriers
Assignee: Control Data Corp
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Filing: 1966-02-07
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Granted: 1968-06-18
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Kliphuis Jans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:41
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/04; H01P1/042; H01P1/30; H03; H03F; H03F7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A DEVICE FOR COUPLING MICROWAVE ENERGY BETWEEN A FIRST DEVICE AT ONE TEMPERATURE AND A SECOND DEVICE AT A TEMPERATURE SUBSTANTIALLY DIFFERENT FROM SAID ONE TEMPERATURE, COMPRISING MEANS FOR THERMALLY INSULATING SAID SECOND DEVICE FROM SAID FIRST DEVICE, A FIRST WAVEGUIDE SECTION IN A THERMALLY CONDUCTIVE RELATIONSHIP WITH SAID FIRST DEVICE, A SECOND WAVEGUIDE SECTION ADAPTED TO COUPLE ENERGY TO OR FROM SAID SECOND DEVICE, SAID FIRST AND SECOND WAVEGUIDE SECTIONS BEING SPACED APART SO AS TO INTERRUPT THE HEAT CONDUCTION PATH THEREBETWEEN, AND CHOKE MEANS POSITIONED AT THE GAP BETWEEN SAID WAVEGUIDE SECTIONS FOR REDUCING THE AMOUNT OF MICROWAVE ENERGY RADIATED FROM SAID GAP.
Claim 2
Independent Claim
105 words
A DEVICE FOR COUPLING MICROWAVE ENERGY BETWEEN A FIRST DEVICE AT ONE TEMPERATURE AND A SECOND DEVICE AT A TEMPERATURE SUBSTANTIALLY DIFFERENT FROM SAID ONE TEMPERATURE, COMPRISING MEANS FOR THERMALLY INSULATING SAID SECOND DEVICE FROM SAID FIRST DEVICE, A FIRST WAVEGUIDE SECTION IN A THERMALLY CONDUCTIVE RELATIONSHIP WITH SAID FIRST DEVICE, A SECOND WAVEGUIDE SECTION ADAPTED TO COUPLE ENERGY TO OR FROM SAID SECOND DEVICE, SAID FIRST AND SECOND WAVEGUIDE SECTIONS BEING SPACED APART SO AS TO INTERRUPT THE HEAT CONDUCTION PATH THEREBETWEEN, AND CHOKE MEANS POSITIONED AT THE GAP BETWEEN SAID WAVEGUIDE SECTIONS FOR REDUCING THE AMOUNT OF MICROWAVE ENERGY RADIATED FROM SAID GAP.
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) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |