US3543074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathodluminescent glasses and cathode ray tubes employing same as the target
Assignee: OI Glass Inc
•
Filing: 1968-08-14
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Granted: 1970-11-24
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Expires: 1988-08-14
Abstract
No abstract record available.
Inventors
- 👤 Warren H Turner
- 👤 Marvin J Albinak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:53
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/20; C; C03; C03C; C03C4/00; C03C4/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2049765A
Cited
US2097275A
Cited
US2099602A
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US2270124A
Cited
US2219895A
Cited
US2440048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |