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US2961314A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of manufacturing color image reproducer

Assignee: Zenith Electronics LLC
•
Filing: 1956-12-11
•
Granted: 1960-11-22
•
Expires: 1976-12-11
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Abstract

No abstract record available.

Inventors

  • 👤 Mark E Amdursky

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 05:09
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/14; H01J9/142; H01J9/144

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 140 words
THE METHOD OF MANUFACTURING A COLOR IMAGE REPRODUCER OF THE TYPE COMPRISING AN IMAGE SCREEN INCLUDING A MULTIPLICITY OF MINUTE AREAS OF COLOR PHOSPHOR MATERIAL AFFIXED TO A SUBSTRATE AND A COLOR-SELECTION BARRIER HAVING AN APERTURE PATTERN REPRESENTATIVE OF THE DISTRIBUTION PATTERN OF ONE COLOR GROUP OF SAID IMAGE SCREEN AREAS, SAID METHOD COMPRISING THE FOLLOWING STEPS: APPLYING AN OPAQUE RESIST COATING, HAVING A IRST PATTERN OF APERTURES INDIVIDUALLY OF PREDETERMINED SIZE CORRESPONDING TO SAID DISTRIBUTION PATTERN, TO A SHEET OF CONDUCTIVE MATERIAL SUITABLE FOR USE AS SAID BARRIER, IMMERSING SAID COATED SHEET IN AN ETCHING SOLUTION FOR A PERIOD OF TIME SUFFICIENT TO FORM THROUGH SAID SHEET A SECOND PATTERN OF APERTURES EACH OF A SIZE SUBSTANTIALLY LARGER THAN SAID PREDETERMINED SIZE AND INDIVIDUALLY CENTERED ABOUT THE APERTURES OF SAID FIRST PATTERN, SAID APERTURES OF SAID SECOND PATTERN EXTEND-
Claim 2
Independent Claim 140 words
THE METHOD OF MANUFACTURING A COLOR IMAGE REPRODUCER OF THE TYPE COMPRISING AN IMAGE SCREEN INCLUDING A MULTIPLICITY OF MINUTE AREAS OF COLOR PHOSPHOR MATERIAL AFFIXED TO A SUBSTRATE AND A COLOR-SELECTION BARRIER HAVING AN APERTURE PATTERN REPRESENTATIVE OF THE DISTRIBUTION PATTERN OF ONE COLOR GROUP OF SAID IMAGE SCREEN AREAS, SAID METHOD COMPRISING THE FOLLOWING STEPS: APPLYING AN OPAQUE RESIST COATING, HAVING A IRST PATTERN OF APERTURES INDIVIDUALLY OF PREDETERMINED SIZE CORRESPONDING TO SAID DISTRIBUTION PATTERN, TO A SHEET OF CONDUCTIVE MATERIAL SUITABLE FOR USE AS SAID BARRIER, IMMERSING SAID COATED SHEET IN AN ETCHING SOLUTION FOR A PERIOD OF TIME SUFFICIENT TO FORM THROUGH SAID SHEET A SECOND PATTERN OF APERTURES EACH OF A SIZE SUBSTANTIALLY LARGER THAN SAID PREDETERMINED SIZE AND INDIVIDUALLY CENTERED ABOUT THE APERTURES OF SAID FIRST PATTERN, SAID APERTURES OF SAID SECOND PATTERN EXTEND-

References Cited (Backward Citations)

US2315367A Cited
US2625734A Cited
US2754449A Cited
GB713908A Cited
US2750524A Cited
US2728024A Cited
US2755402A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-11-22 1964-05-23 1964-11-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-11-22 1968-05-23 1968-11-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-11-22 1972-05-23 1972-11-22 $7700.00 Window Closed / Lapsed

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