US3147664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable elevation target projection system with rotary mirror assembly
Assignee: Ideal Toy Corp
•
Filing: 1961-05-08
•
Granted: 1964-09-08
•
Expires: 1981-05-08
Abstract
No abstract record available.
Inventors
- 👤 Nathan M Gelfand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:57
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/02; A63F9/0204; A63F9/0243; G; G03; G03B; G03B21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PROJECTION SYSTEM COMPRISING A LIGHT SOURCE, A LENS, A PLATE BETWEEN SAID LIGHT SOURCE AND SAID LENS, SAID PLATE HAVING A PLURALITY OF THROUGH APERTURES OF DIFFERENT SIZES AND SHAPES, MEANS FOR MOVING SAID PLATE SO THAT A SELECTED APERTURE IS POSITIONED IN THE LIGHT PATH BETWEEN SAID LIGHT SOURCE AND SAID LENS, A MIRROR ASSEMBLY DISPOSED ON THE OPPOSITE SIDE OF SAID LENS FROM SAID PLATE, SAID MIRROR ASSEMBLY INCLUDING A DRUM HAVING AN AXIS OF ROTATION, A PLURALITY OF MIRRORS SECURED ON SAID DRUM AT DIFFERING ANGULAR RELATIONSHIPS TO SAID AXIS SO AS TO REFLECT LIGHT RAYS AT DIFFERING ELEVATIONS, AND MEANS CONNECTED TO SAID DRUM FOR ROTATING SAID MIRROR ASSEMBLY SO THAT A MOVING IMAGE IS REFLECTED BY SAID MIRRORS AT DIFFERING ELEVATIONS.
Claim 2
Dependent Claim
127 words
A PROJECTION SYSTEM COMPRISING A LIGHT SOURCE, A LENS, A PLATE BETWEEN SAID LIGHT SOURCE AND SAID LENS, SAID PLATE HAVING A PLURALITY OF THROUGH APERTURES OF DIFFERENT SIZES AND SHAPES, MEANS FOR MOVING SAID PLATE SO THAT A SELECTED APERTURE IS POSITIONED IN THE LIGHT PATH BETWEEN SAID LIGHT SOURCE AND SAID LENS, A MIRROR ASSEMBLY DISPOSED ON THE OPPOSITE SIDE OF SAID LENS FROM SAID PLATE, SAID MIRROR ASSEMBLY INCLUDING A DRUM HAVING AN AXIS OF ROTATION, A PLURALITY OF MIRRORS SECURED ON SAID DRUM AT DIFFERING ANGULAR RELATIONSHIPS TO SAID AXIS SO AS TO REFLECT LIGHT RAYS AT DIFFERING ELEVATIONS, AND MEANS CONNECTED TO SAID DRUM FOR ROTATING SAID MIRROR ASSEMBLY SO THAT A MOVING IMAGE IS REFLECTED BY SAID MIRRORS AT DIFFERING ELEVATIONS.
References Cited (Backward Citations)
DE300602C
Cited
GB283203A
Cited
US1935084A
Cited
US1790491A
Cited
US1895239A
Cited
US1937378A
Cited
US2285915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |