US3501322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glazed ceramic substrate for electronic microcircuits
Assignee: Corning Glass Works
•
Filing: 1967-08-16
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Granted: 1970-03-17
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Expires: 1987-08-16
Abstract
No abstract record available.
Inventors
- 👤 William H Dumbaugh Jr
- 👤 Joseph W Malmendier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:43
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/60; H10W70/67; H10W70/69; H10W70/692; C; C03; C03C; C03C8/00; C03C8/02; H10N; H10N97/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124470A
Cited
US3173779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |