US3179213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectric window and method of making it
Assignee: Varian Medical Systems Inc
•
Filing: 1960-03-14
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Granted: 1965-04-20
•
Expires: 1980-03-14
Abstract
No abstract record available.
Inventors
- 👤 Gerhard B Kuelme
- 👤 Werner P Schulz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:53
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/08; Y; Y10; Y10T; Y10T403/00; Y10T403/21; Y10T403/217
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A WINDOW COMPRISING A DIELECTRIC MEMBER, AN ANNULAR METALIZED SECTION ON SAID DIELECTRIC MEMBER DISPOSED ON AN OUTER PERIPHERAL PORTION THEREOF, A METAL RING ASSEMBLY SEALED INTERMEDIATE ITS ENDS TO SAID METALIZED SECTION TO FORM A HERMETIC SEAL THEREBETWEEN, SAID METAL RING ASSEMBLY COMPRISING COAXIALLY ARRANGED INNER AND OUTER TUBULAR PORTIONS PACED APART TO PROVIDE A CHAMBER THEREBETWEEN AND HAVING CORRESPONDING END PORTIONS HERMETICALLY UNITED.
Claim 2
Dependent Claim
65 words
A WINDOW COMPRISING A DIELECTRIC MEMBER, AN ANNULAR METALIZED SECTION ON SAID DIELECTRIC MEMBER DISPOSED ON AN OUTER PERIPHERAL PORTION THEREOF, A METAL RING ASSEMBLY SEALED INTERMEDIATE ITS ENDS TO SAID METALIZED SECTION TO FORM A HERMETIC SEAL THEREBETWEEN, SAID METAL RING ASSEMBLY COMPRISING COAXIALLY ARRANGED INNER AND OUTER TUBULAR PORTIONS PACED APART TO PROVIDE A CHAMBER THEREBETWEEN AND HAVING CORRESPONDING END PORTIONS HERMETICALLY UNITED.
References Cited (Backward Citations)
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US2767467A
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US2752539A
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US2857663A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |