US3076278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated display device
Assignee: Schutz Thomas A Co Inc
•
Filing: 1959-07-06
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Granted: 1963-02-05
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Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Zanvel A Zack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:13
CPC Classifications
G; G09; G09F; G09F13/00; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0081; G02B6/0086; Y; Y10; Y10S; Y10S362/00; Y10S362/812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A DISPLAY DEVICE: A FIRST DISPLAY ELEMENT HAVING REFRACTORY PROPERTIES FOR CONDUCTING LIGHT AND HAVING A PLURALITY OF EDGES ADAPTED FOR EDGE ILLUMINATION OF SAID ELEMENT; A TUBULAR ARTIFICIAL LIGHT SOURCE CONFRONTING ALL OF SAID PLURALITY OF EDGES; AN OPAQUE SHUTTER ROTATABLY MOUNTED ABOUT SAID LIGHT SOURCE, SAID SHUTTER HAVING SPACED OPENINGS; A SECOND FIXED OPAQUE SHUTTER MOUNTED CONCENTRICALLY OF THE FIRST SHUTTER, SAID SECOND SHUTTER HAVING SPACED OPENINGS CORRESPONDING TO THE SPACED OPENINGS OF THE ROTATABLE SHUTTER; A SECOND DISPLAY ELEMENT BEHIND SAID FIRST ELEMENT AND ADAPTED FOR SURFACE ILLUMINATION; AND MEANS FOR MOVING THE ROTATABLE SHUTTER TO SHIFT THE SPACED OPENINGS AND RESULTANT ILLUMINATION FROM ONE ELEMENT TO THE OTHER.
Claim 2
Dependent Claim
113 words
IN A DISPLAY DEVICE: A FIRST DISPLAY ELEMENT HAVING REFRACTORY PROPERTIES FOR CONDUCTING LIGHT AND HAVING A PLURALITY OF EDGES ADAPTED FOR EDGE ILLUMINATION OF SAID ELEMENT; A TUBULAR ARTIFICIAL LIGHT SOURCE CONFRONTING ALL OF SAID PLURALITY OF EDGES; AN OPAQUE SHUTTER ROTATABLY MOUNTED ABOUT SAID LIGHT SOURCE, SAID SHUTTER HAVING SPACED OPENINGS; A SECOND FIXED OPAQUE SHUTTER MOUNTED CONCENTRICALLY OF THE FIRST SHUTTER, SAID SECOND SHUTTER HAVING SPACED OPENINGS CORRESPONDING TO THE SPACED OPENINGS OF THE ROTATABLE SHUTTER; A SECOND DISPLAY ELEMENT BEHIND SAID FIRST ELEMENT AND ADAPTED FOR SURFACE ILLUMINATION; AND MEANS FOR MOVING THE ROTATABLE SHUTTER TO SHIFT THE SPACED OPENINGS AND RESULTANT ILLUMINATION FROM ONE ELEMENT TO THE OTHER.
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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |