US3270447A
Expired / Lapsed
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Assignee: Corning Glass Works
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Filing: 1963-11-14
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Granted: 1966-09-06
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Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Richard H Langdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:07
CPC Classifications
G; G09; G09F; G09F9/00; G09F9/30; G09F9/37; G09F9/375
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN IMAGE DISPLAY SCREEN COMPRISING, IN COMBINATION, A LATTICE OF RECESSED CELLS EACH OF WHICH ADJOINS ADJACENT CELLS BY COMMON SIDEWALLS IN A PLANE AND ALL BEING OF A COLOR HAVING AN ATTRIBUTE OF LOW SATURATIONS AND LOW BRILLIANCE; A REFLECTOR OPERABLE IN EACH CELL, MEANS FOR MOVING EACH REFLECTOR FROM A FIRST EXTREME POSITION TO A SECOND EXTREME POSITION, SAID FIRST EXTREME POSITION RENDERING EACH REFLECTOR TO BE SHADED BY THE SIDEWALLS OF ITS RESPECTIVE CELL, EACH REFLECTOR SEPARATELY OPERABLE THROUGH A SUCCESSION OF PROGRESSIVELY LESS SHADED POSITIONS TO SAID SECOND EXTREME POSITION IN WHICH IT IS SUBSTANTIALLY UNSHADED BY THE SIDEWALLS OF ITS RESPECTIVE CELL, ALL SUCH REFLECTORS BEING OF A COLOR HAVING LOW SATURATION AND AN ATTRIBUTE OF HIGH BRILLIANCE.
Claim 2
Dependent Claim
123 words
AN IMAGE DISPLAY SCREEN COMPRISING, IN COMBINATION, A LATTICE OF RECESSED CELLS EACH OF WHICH ADJOINS ADJACENT CELLS BY COMMON SIDEWALLS IN A PLANE AND ALL BEING OF A COLOR HAVING AN ATTRIBUTE OF LOW SATURATIONS AND LOW BRILLIANCE; A REFLECTOR OPERABLE IN EACH CELL, MEANS FOR MOVING EACH REFLECTOR FROM A FIRST EXTREME POSITION TO A SECOND EXTREME POSITION, SAID FIRST EXTREME POSITION RENDERING EACH REFLECTOR TO BE SHADED BY THE SIDEWALLS OF ITS RESPECTIVE CELL, EACH REFLECTOR SEPARATELY OPERABLE THROUGH A SUCCESSION OF PROGRESSIVELY LESS SHADED POSITIONS TO SAID SECOND EXTREME POSITION IN WHICH IT IS SUBSTANTIALLY UNSHADED BY THE SIDEWALLS OF ITS RESPECTIVE CELL, ALL SUCH REFLECTORS BEING OF A COLOR HAVING LOW SATURATION AND AN ATTRIBUTE OF HIGH BRILLIANCE.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |