US3552845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display device
Assignee: VIDEO ADS Inc
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Filing: 1968-02-19
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Granted: 1971-01-05
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Expires: 1988-02-19
Abstract
Abstract THE PORTABLE OUTDOOR DISPLAY DEVICE COMPRISES AN ELONGATED HOUSING, A PROJECTOR WITHIN THE HOUSING FOR PROJECTING A PLURALITY OF DIFFERENT IMAGES SUCH AS ADS IN SEQUENCE UPON THE PROJECTION SCREEN CLOSING THE FRONT END OF THE HOUSING FOR VIEWING FORM THE OUTSIDE, LIGHT SENSITIVE MEANS FOR ACTIVATING THE PROJECTOR WHEN DARKNESS FALLS AND FOR DE-ACTIVATING IT WHEN SUNLIGHT APPEARS AND A THERMOSTATICALLY CONTROLLED HEATER AND AN EXHAUST FAN FOR THE HOUSING.
Inventors
- 👤 Challie Yates Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:27
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |