US3424932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical image device including a vacuum tube provided with endwall having an array of electrical conductors receiving electrical currents forming the image and amplifying means for said currents
Assignee: Individual
•
Filing: 1964-12-28
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Granted: 1969-01-28
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Edward Emanuel Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:40
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/02; H01J31/06; H01J31/065; H01J31/08; H01J31/50; H01J31/508
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |