Patent US3700479A successfully refreshed from Google Patents.
US3700479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of providing a luminescent layer on a support
Assignee: US Philips Corp
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Filing: 1969-10-06
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Granted: 1972-10-24
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Expires: 1989-10-06
Abstract
Abstract A SUSPENSION MEDIUM FOR A MIXTURE OF A FINE-GRAINED LUMINESCENT MATERIAL AND A FINE-GRAINED NON-LUMINESCENT SOLID MATERIAL CONTAINING A TEMPORARY BINDER, AN ORGANIC NON-POLAR NON-AROMATIC LIQUID AND AN ORGANIC POLAR ORGANIC NON-AROMATIC LIQUID, BOTH LIQUIDS BEING SOLVENTS FOR TNE TEMPORARY BINDER.
Inventors
- 👤 Johannes Wilhelmus Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:22
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/02
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) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |