US3207028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display device for projecting images from superimposed framed silhouettes onto a screen
Assignee: Individual
•
Filing: 1961-09-05
•
Granted: 1965-09-21
•
Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Cates Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:52
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A DISPLAY DEVICE COMPRISING A HOODED FOREGROUND AREA HAVING AN OPEN FRONT PORTION, A PLURALITY OF RUNNERSLOTS, ONE BEHIND THE OTHER, IN SAID FOREGROUND AREA, A PLURALITY OF SLIDABLE FRAMES ON WHICH OBJECT SILHOUETTES ARE ATTACHED RECEIVABLE IN SAID SLOTS AT LEAST ONE LIGHT SOURCE WITHIN SAID FOREGROUND AREA, A BACKGROUND AREA DISPOSED BEHIND THE FOREGROUND AREA, A TRANSLUCENT SCREEN BEHIND THE BACKGROUND AREA AND A PROJECTOR LOCATED BEHIND THE TRANSLUCENT SCREEN.
Claim 2
Dependent Claim
72 words
A DISPLAY DEVICE COMPRISING A HOODED FOREGROUND AREA HAVING AN OPEN FRONT PORTION, A PLURALITY OF RUNNERSLOTS, ONE BEHIND THE OTHER, IN SAID FOREGROUND AREA, A PLURALITY OF SLIDABLE FRAMES ON WHICH OBJECT SILHOUETTES ARE ATTACHED RECEIVABLE IN SAID SLOTS AT LEAST ONE LIGHT SOURCE WITHIN SAID FOREGROUND AREA, A BACKGROUND AREA DISPOSED BEHIND THE FOREGROUND AREA, A TRANSLUCENT SCREEN BEHIND THE BACKGROUND AREA AND A PROJECTOR LOCATED BEHIND THE TRANSLUCENT SCREEN.
References Cited (Backward Citations)
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Cited
US2105008A
Cited
US2116114A
Cited
US2200358A
Cited
US2488955A
Cited
US2499351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |