US3382392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray tube simultaneously generating a plurality of shaped electron beams
Assignee: Stromberg Carlson Corp
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Filing: 1967-01-16
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Granted: 1968-05-07
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Expires: 1987-01-16
Abstract
No abstract record available.
Inventors
- 👤 Corpew Charles Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:11
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/16; H01J29/00; H01J29/46; H01J29/48; H01J29/50; H01J2229/00; H01J2229/48; H01J2229/50; H01J2229/505
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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |