US3264015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass-to-metal seal
Assignee: Philips Electronics and Pharmaceutical Industries Corp
•
Filing: 1961-03-31
•
Granted: 1966-08-02
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
- 👤 Karl F Mayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:16
CPC Classifications
C; C03; C03C; C03C29/00; Y; Y10; Y10S; Y10S285/00; Y10S285/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A GLASS-TO-METAL HERMETIC SEAL COMPRISING: AN OUTER METAL RING; A GLASS MEMBER WITHIN SAID RING, THE PERIPHERY OF SAID GLASS MEMBER BEARING AGAINST THE INNER SURFACE OF SAID RING AND BEING HELD THEREBY AND FUSED THERETO; AND A HOLLOW, METAL, INNER MEMBER OPEN AT BOTH ENDS EXTENDING THROUGH AND HELD BY SAID GLASS MEMBER AND FUSED THERETO TO PROVIDE A CHANNEL THERETHROUGH, SAID INNER MEMBER HAVING AN OUTWARD CIRCUMFERENTIAL BULGE IN A LIMITED AREA ADJACENT TO ONE SURFACE OF SAID GLASS MEMBER WITH THE GLASS EXTENDING LESS THAN APPROXIMATELY HALF WAY OVER SAID BULGE IN THE AXIAL DIRECTION THEREOF, SAID BULGE HAVING A U-SHAPED CROSS-SECTION WITH THE SIDES OF SAID U AT AN ANGLE TO EACH OTHER.
Claim 2
Dependent Claim
117 words
A GLASS-TO-METAL HERMETIC SEAL COMPRISING: AN OUTER METAL RING; A GLASS MEMBER WITHIN SAID RING, THE PERIPHERY OF SAID GLASS MEMBER BEARING AGAINST THE INNER SURFACE OF SAID RING AND BEING HELD THEREBY AND FUSED THERETO; AND A HOLLOW, METAL, INNER MEMBER OPEN AT BOTH ENDS EXTENDING THROUGH AND HELD BY SAID GLASS MEMBER AND FUSED THERETO TO PROVIDE A CHANNEL THERETHROUGH, SAID INNER MEMBER HAVING AN OUTWARD CIRCUMFERENTIAL BULGE IN A LIMITED AREA ADJACENT TO ONE SURFACE OF SAID GLASS MEMBER WITH THE GLASS EXTENDING LESS THAN APPROXIMATELY HALF WAY OVER SAID BULGE IN THE AXIAL DIRECTION THEREOF, SAID BULGE HAVING A U-SHAPED CROSS-SECTION WITH THE SIDES OF SAID U AT AN ANGLE TO EACH OTHER.
References Cited (Backward Citations)
US2263396A
Cited
US2603915A
Cited
US2815474A
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US3035372A
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US3107757A
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FR1227260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |