Patent US3427273A successfully refreshed from Google Patents.
US3427273A
Expired / Lapsed
US
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Process for making luminescent organopolysiloxanes and compositions thereof
Assignee: OI Glass Inc
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Filing: 1964-08-10
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Granted: 1969-02-11
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Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 Charles W Newing Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:33
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2258222A
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US2470562A
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US2501525A
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US2568384A
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US2832794A
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US3000858A
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US3017386A
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US3090765A
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US3223474A
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US3208972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |