US3473936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally crystallizable glasses,crystallized product and method of making same
Assignee: OI Glass Inc
•
Filing: 1965-09-24
•
Granted: 1969-10-21
•
Expires: 1985-09-24
Abstract
No abstract record available.
Inventors
- 👤 William E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:34
CPC Classifications
C; C03; C03C; C03C10/00; C03C10/0036; C03C10/0045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2960802A
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US3022179A
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US3117881A
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US3231456A
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FR1268125A
Cited
FR1300614A
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US3241985A
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US3282712A
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US3252811A
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US3380818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |