US3485648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devitrifying solder glass
Assignee: OI Glass Inc
•
Filing: 1966-05-03
•
Granted: 1969-12-23
•
Expires: 1986-05-03
Abstract
No abstract record available.
Inventors
- 👤 Frederic L Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:30
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/24; C03C8/245; C03C10/00; C03C10/0054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2889952A
Cited
US2951167A
Cited
GB904818A
Cited
US3055762A
Cited
US3115415A
Cited
US3291586A
Cited
US3332490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |