Patent US3237937A successfully refreshed from Google Patents.
US3237937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing moving light effects
Assignee: Individual
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Filing: 1962-02-16
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Granted: 1966-03-01
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Expires: 1982-02-16
Abstract
No abstract record available.
Inventors
- 👤 John P Hoppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:54
CPC Classifications
A; A63; A63H; A63H3/00; A63H3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A UNIT FOR PRODUCING ANIMATED EFFECTS BY REFLECTING LIGHT FROM A CONCENTRATED LIGHT SOURCE ONTO A SCREEN, SAID UNIT COMPRISING A FLEXIBLE SHEET, MEANS PROVIDING ON THE FRONT FACE OF SAID SHEET A HIGHLY REFLECTIVE MIRROR SURFACE OF SELECTED SIZE AND SHAPE TO PROJECT ON SAID SCREEN A SELECTED IMAGE, SAID SHEET BEING SUFFICIENTLY FLEXIBLE TO BE EASILY FLEXED BY DIGITAL PRESSURE TO VARY THE IMAGE PROJECTED BY SAID MIRROR SURFACE, SAID SHEET HAVING A DISCONTINUITY BETWEEN ADJACENT PORTIONS OF SAID SHEET INCREASING THE FLEXIBILITY OF SAID SHEET AND PERMITTING A FIRST PORTION OF SAID SHEET ON ONE SIDE OF SAID DISCONTINUITY TO BE FLEXED SEPARATELY FROM A SECOND PORTION OF SAID SHEET ON AN OPPO-
Claim 2
Dependent Claim
116 words
A UNIT FOR PRODUCING ANIMATED EFFECTS BY REFLECTING LIGHT FROM A CONCENTRATED LIGHT SOURCE ONTO A SCREEN, SAID UNIT COMPRISING A FLEXIBLE SHEET, MEANS PROVIDING ON THE FRONT FACE OF SAID SHEET A HIGHLY REFLECTIVE MIRROR SURFACE OF SELECTED SIZE AND SHAPE TO PROJECT ON SAID SCREEN A SELECTED IMAGE, SAID SHEET BEING SUFFICIENTLY FLEXIBLE TO BE EASILY FLEXED BY DIGITAL PRESSURE TO VARY THE IMAGE PROJECTED BY SAID MIRROR SURFACE, SAID SHEET HAVING A DISCONTINUITY BETWEEN ADJACENT PORTIONS OF SAID SHEET INCREASING THE FLEXIBILITY OF SAID SHEET AND PERMITTING A FIRST PORTION OF SAID SHEET ON ONE SIDE OF SAID DISCONTINUITY TO BE FLEXED SEPARATELY FROM A SECOND PORTION OF SAID SHEET ON AN OPPO-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |