Patent US3192067A successfully refreshed from Google Patents.
US3192067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vidicon target having areas of different conductance
Assignee: Machlett Laboratories Inc
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Filing: 1961-02-24
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Granted: 1965-06-29
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Expires: 1981-02-24
Abstract
No abstract record available.
Inventors
- 👤 Harold O W Jordan
- 👤 Henry C Rosenfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:08
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/233
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE METHOD OF MAKING A PHOTOCONDUCTIVE TARGET FOR ELECTRON TUBES COMPRISING EVAPORATING ONTO A ELECTRICALLY CONDUCTIVE TRANSPARENT SUPPORT A LAYER OF PHOTOCONDUCTIVE MATERIAL AND SIMULTANEOUSLY THEREWITH EXPOSING DIFFERENT AREAS OF THE PHOTOCONDUCTIVE MATERIAL TO RELATIVELY BRIGHT ILLUMINATION THROUGH A TRANSPARENCY BEARING A RELATIVELY OPAQUE PATTERN TO PRODUCE IN SAID AREAS DIFFERENT ELECTRICAL CONDUCTANCE CHARACTERISTICS CORRESPONDING TO SAID PATTERN.
Claim 2
Independent Claim
58 words
THE METHOD OF MAKING A PHOTOCONDUCTIVE TARGET FOR ELECTRON TUBES COMPRISING EVAPORATING ONTO A ELECTRICALLY CONDUCTIVE TRANSPARENT SUPPORT A LAYER OF PHOTOCONDUCTIVE MATERIAL AND SIMULTANEOUSLY THEREWITH EXPOSING DIFFERENT AREAS OF THE PHOTOCONDUCTIVE MATERIAL TO RELATIVELY BRIGHT ILLUMINATION THROUGH A TRANSPARENCY BEARING A RELATIVELY OPAQUE PATTERN TO PRODUCE IN SAID AREAS DIFFERENT ELECTRICAL CONDUCTANCE CHARACTERISTICS CORRESPONDING TO SAID PATTERN.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |