US3360671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vidicon with connected conductive coatings on both sides of faceplate
Assignee: General Electrodynamics Corp
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Filing: 1965-04-26
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Granted: 1967-12-26
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Expires: 1985-04-26
Abstract
No abstract record available.
Inventors
- 👤 Francis J Salgo
- 👤 George S P Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:59
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/26; H01J31/28; H01J31/34; H01J31/38; H01J29/00; H01J29/02; H01J29/021; H01J29/10; H01J29/36; H01J29/39; H01J29/45
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A VIDICON TUBE INCLUDING AN ENVELOPE, A FACEPLATE CLOSING ONE END OF SAID ENVELOPE, ELECTRICALLY CONDUCTING, CONTINUOUS LAYERS OF MATERIAL TRANSMISSIVE OF RADIATION TO BE DETECTED ON BOTH SIDES OF THE FACEPLATE, MEANS ELECTRICALLY CONNECTING SAID CONDUCTING LAYERS, AN ELECTRON GUN AT THE OTHER END OF SAID ENVELOPE, A PHOTOCONDUCTIVE LAYER ON SAID CONDUCTING LAYER FACING SAID GUN, MEANS SCANNING SAID PHOTOCONDUCTIVE LAYER WITH ELECTRONS FROM SAID ELECTRON GUN WHEREBY A SIGNAL MAY BE DERIVED FROM AT LEAST ONE OF SAID CONDUCTING LAYERS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |