Patent US2961314A successfully refreshed from Google Patents.
US2961314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing color image reproducer
Assignee: Zenith Electronics LLC
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Filing: 1956-12-11
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Granted: 1960-11-22
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Expires: 1976-12-11
Abstract
No abstract record available.
Inventors
- 👤 Mark E Amdursky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:20
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-
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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) | 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 |