Patent US3667754A successfully refreshed from Google Patents.
US3667754A
Expired / Lapsed
US
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Multiple switch amusement projection device and method
Assignee: OHIO DISPLAYS Inc
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Filing: 1970-10-15
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Granted: 1972-06-06
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Expires: 1990-10-15
Abstract
Abstract A VIEWING SCREEN AND A CONSOLE ARE PROVIDED INCLUDING A PLURALITY OF SWITCHES ARRANGED IN THREE GROUPS ON THREE SWITCHES IN EACH GROUP. CLOSING OF ONE SWITCH IN EACH GROUP CAUSES A PLURALITY OF IMAGES OT BE PROJECTED ON THE SCREEN. THE DEVICE GIVES THE APPERANCE THAT THE INDIVIDUAL SWITCHES CONTROL IMAGE SELECTION. IN REALITY, THE SWITCHES SIMPLY ACTIVATE A SLIDE CHANGE MECHANISM OF A SLIDE PROJECTOR TO PROJECT A PREDETERMINED COMPOSITE IMAGE CARRIED BY A SINGLE SLIDE ONTO THE SCREEN.
Inventors
- 👤 Stanley S Coole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:38
CPC Classifications
A; A63; A63J; A63J25/00; 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) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |