Patent US3342743A successfully refreshed from Google Patents.
US3342743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing a zinc sulfide powder coated with tritiated polystyrene
Assignee: Laboratory For Electronics Inc
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Filing: 1965-03-19
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Granted: 1967-09-19
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Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Rosenberg Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:11
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/02; C09K11/04; C09K11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |