US3467880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-image electron beam tube and color camera
Assignee: AT&T Inc
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Filing: 1967-08-21
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Granted: 1969-09-16
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Expires: 1987-08-21
Abstract
No abstract record available.
Inventors
- 👤 Merton H Crowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:42
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/58; H01J31/60; H01J31/62; H01J31/64; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J31/26; H01J31/46; H04; H04N; H04N23/00; H04N23/10; H04N23/12; H04N7/00; H04N7/01; H04N7/0105; H04N7/0107
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) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |