US3134674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data display system
Assignee: NCR Voyix Corp
•
Filing: 1960-01-27
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Granted: 1964-05-26
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Expires: 1980-01-27
Abstract
No abstract record available.
Inventors
- 👤 Jr George T Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:15
CPC Classifications
G; G09; G09F; G09F13/00; G03; G03B; G03B21/00; G03B21/001; G03C; G03C1/00; G03C1/72; G03C1/73; G03C5/00; G03C5/56; Y; Y10; Y10S; Y10S430/00; Y10S430/163
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A FLEXIBLE SHEET OF POLYMER FILM MATERIAL THAT TRANSMITS LIGHT IN THAT REGION OF THE LIGHT SPECTRUM INCLUDING THE ULTRAVIOLET THROUGH INFRARED, SAID SHEET INCLUDING A PHOTOCHROMIC SPIROPYRAN DYE WHICH HAS A NORMALLY SUBSTANTIALLY COLORLESS STATE SWITCHABLE, BY BEING SUBJECTED TO LIGHT PREDOMINATING IN THE BLUE AND ULTRAVIOLET COMPONENTS OF THE LIGHT SPECTRUM, TO A DISTINCTIVE COLORED STATE, SAID FLEXIBLE SHEET BEING COATED WITH A LAYER OF TRANSLUCENT FLEXIBLE ADHESIVE HAVING THEREIN IN DISSOLVED FORM ANOTHER PHOTOCHROMIC SPIROPYRAN DYE, ALSO NORMALLY SUBSTANTIALLY COLORLESS, WHICH CHANGES TO A DISTINCTIVELY COLORED STATE WHEN SUBJECTED TO LIGHT PREDOMINATING IN THE BLUE AND ULTRAVIOLET COMPONENTS OF THE LIGHT SPECTUM.
Claim 2
Dependent Claim
105 words
A FLEXIBLE SHEET OF POLYMER FILM MATERIAL THAT TRANSMITS LIGHT IN THAT REGION OF THE LIGHT SPECTRUM INCLUDING THE ULTRAVIOLET THROUGH INFRARED, SAID SHEET INCLUDING A PHOTOCHROMIC SPIROPYRAN DYE WHICH HAS A NORMALLY SUBSTANTIALLY COLORLESS STATE SWITCHABLE, BY BEING SUBJECTED TO LIGHT PREDOMINATING IN THE BLUE AND ULTRAVIOLET COMPONENTS OF THE LIGHT SPECTRUM, TO A DISTINCTIVE COLORED STATE, SAID FLEXIBLE SHEET BEING COATED WITH A LAYER OF TRANSLUCENT FLEXIBLE ADHESIVE HAVING THEREIN IN DISSOLVED FORM ANOTHER PHOTOCHROMIC SPIROPYRAN DYE, ALSO NORMALLY SUBSTANTIALLY COLORLESS, WHICH CHANGES TO A DISTINCTIVELY COLORED STATE WHEN SUBJECTED TO LIGHT PREDOMINATING IN THE BLUE AND ULTRAVIOLET COMPONENTS OF THE LIGHT SPECTUM.
References Cited (Backward Citations)
US2735783A
Cited
US821200A
Cited
US2335465A
Cited
US2213745A
Cited
US2800457A
Cited
US2953454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |