US3356466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-to-glass-to-ceramic seal
Assignee: Philips Electronics and Pharmaceutical Industries Corp
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Filing: 1965-07-28
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Granted: 1967-12-05
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Expires: 1985-07-28
Abstract
No abstract record available.
Inventors
- 👤 Wildeboer Nicolaas
- 👤 David T Landsittel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:32
CPC Classifications
F; F16; F16J; F16J15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A SEAL COMPRISING: AN OUTER METAL MEMBER HAVING AN APERTURE THEREIN; AN INNER METAL MEMBER WITHIN SAID APERTURE AND SPACED THEREFROM; A HOLLOW CERAMIC MEMBER COMPLETELY ENCIRCLING SAID INNER MEMBER BETWEEN SAID INNER AND OUTER MEMBERS AND SPACED FROMBOTH SAID INNER AND OUTER MEMBERS; AND GLASS ENCIRCLING AND FUSED TO SAID INNER MEMBER COMPLETELY TO FORM AN UNBROKEN BRIDGE FROM SAID INNER MEMBER TO SAID CERAMIC MEMBER AND FUSED TO SAID CERAMIC MEMBER AND ENCIRCLING AND FUSED TO SAID CERAMIC MEMBER TO FORM AN UNBROKEN BRIDGE FROM SAID CERAMIC MEMBER TO SAID OUTER METAL MEMBER AND FUSED TO SAID OUTER METAL MEMBER.
Claim 2
Dependent Claim
102 words
A SEAL COMPRISING: AN OUTER METAL MEMBER HAVING AN APERTURE THEREIN; AN INNER METAL MEMBER WITHIN SAID APERTURE AND SPACED THEREFROM; A HOLLOW CERAMIC MEMBER COMPLETELY ENCIRCLING SAID INNER MEMBER BETWEEN SAID INNER AND OUTER MEMBERS AND SPACED FROMBOTH SAID INNER AND OUTER MEMBERS; AND GLASS ENCIRCLING AND FUSED TO SAID INNER MEMBER COMPLETELY TO FORM AN UNBROKEN BRIDGE FROM SAID INNER MEMBER TO SAID CERAMIC MEMBER AND FUSED TO SAID CERAMIC MEMBER AND ENCIRCLING AND FUSED TO SAID CERAMIC MEMBER TO FORM AN UNBROKEN BRIDGE FROM SAID CERAMIC MEMBER TO SAID OUTER METAL MEMBER AND FUSED TO SAID OUTER METAL MEMBER.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |