US3030536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Face plate for supporting color-control elements in cathode-ray tubes
Assignee: OI Glass Inc
•
Filing: 1956-04-20
•
Granted: 1962-04-17
•
Expires: 1976-04-20
Abstract
No abstract record available.
Inventors
- 👤 James W Hackett
- 👤 Kenneth M Henry
- 👤 John M Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:45
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/06; H01J29/07; H01J29/073; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44983; Y10T24/44991
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733366A
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US2661437A
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US2695372A
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US2721288A
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US2755405A
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US2727172A
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US2942129A
Cited
US2813213A
Cited
US2961560A
Cited
US2842696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |