Patent US3564587A successfully refreshed from Google Patents.
US3564587A
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US
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Sealing glass compositions and articles bonded therewith
Assignee: OI Glass Inc
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Filing: 1969-07-15
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Granted: 1971-02-16
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Expires: 1989-07-15
Abstract
Abstract A COMPOSITE ARTICLE COMPRISING TWO GLASS OR GLASSCERAMIC SURFACES BONDED TOGETHER BY AN INTERMEDIATE LAYER OF BONDING GLASS CONSISTING ESSENTIALY OF 10-22 MOLE PERCENT LI2O, 5-12 MOLE PERCENT CU2O, 0-3 MOLE PERCENT FE2O3, 0-2.5 MOLE PERSENT MNO2, 6-10 MOLE PERCENT AL2O3 AND 55-70 MOLE PERCENT SIO2.
Inventors
- 👤 James Leslie Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:19
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |