US3122966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
butterfield
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:31
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
OPTICAL PROJECTION APPARATUS CONSISTING OF BASE MEANS FOR SUPPORTING AND ROTATING A CIRCULAR DISC, AN OPAQUE, CIRCULAR, INTERCHANGEABLE DISC ADAPTED TO BE MOUNTED ON SAID BASE MEANS TO BE SUPPORTED AND ROTATED THEREBY, SAID DISC HAVING A PLURALITY OF CONCENTRIC BANDS, EACH BAND CARRYING A VISUAL REPRESENTATION; DRIVE MEANS FOR CONTINUOUSLY ROTATING SAID DISC; COMMON VIEWING SCREEN MEANS; A PLURALITY OF OPTICAL SYSTEMS, ONE FOR EACH BAND, EACH COMPRISING A LIGHT SOURCE FOR ILLUMINATING A PREDETERMINED PORTION OF ITS BAND, AN OPTICAL SYSTEM FOR FOCUSING THE BAND PORTION THUS ILLUMINATED ON SAID COMMON VIEWING SCREEN, AND SHUTTER MEANS IN EACH OPTICAL SYSTEM FOR INTERRUPTING THE PROJECTION OF IMAGE RAYS FROM ITS RESPECTIVE BAND; SAID DISC HAVING A PLURALITY OF ARCUATE PROJECTIONS LOCATED ADJACENT TO SAID IMAGE BANDS; AND MEANS ACTUATED BY SAID ARCUATE PROJECTIONS FOR SELECTIVELY OPERATING SAID SHUTTER MEANS TO SELECTIVELY BLANK OUT PREDETERMINED PORTIONS OF SAID IMAGE BANDS.
Claim 2
Dependent Claim
150 words
OPTICAL PROJECTION APPARATUS CONSISTING OF BASE MEANS FOR SUPPORTING AND ROTATING A CIRCULAR DISC, AN OPAQUE, CIRCULAR, INTERCHANGEABLE DISC ADAPTED TO BE MOUNTED ON SAID BASE MEANS TO BE SUPPORTED AND ROTATED THEREBY, SAID DISC HAVING A PLURALITY OF CONCENTRIC BANDS, EACH BAND CARRYING A VISUAL REPRESENTATION; DRIVE MEANS FOR CONTINUOUSLY ROTATING SAID DISC; COMMON VIEWING SCREEN MEANS; A PLURALITY OF OPTICAL SYSTEMS, ONE FOR EACH BAND, EACH COMPRISING A LIGHT SOURCE FOR ILLUMINATING A PREDETERMINED PORTION OF ITS BAND, AN OPTICAL SYSTEM FOR FOCUSING THE BAND PORTION THUS ILLUMINATED ON SAID COMMON VIEWING SCREEN, AND SHUTTER MEANS IN EACH OPTICAL SYSTEM FOR INTERRUPTING THE PROJECTION OF IMAGE RAYS FROM ITS RESPECTIVE BAND; SAID DISC HAVING A PLURALITY OF ARCUATE PROJECTIONS LOCATED ADJACENT TO SAID IMAGE BANDS; AND MEANS ACTUATED BY SAID ARCUATE PROJECTIONS FOR SELECTIVELY OPERATING SAID SHUTTER MEANS TO SELECTIVELY BLANK OUT PREDETERMINED PORTIONS OF SAID IMAGE BANDS.
References Cited (Backward Citations)
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Cited
US1815694A
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US1803572A
Cited
US1913913A
Cited
US2546054A
Cited
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Cited
US2505787A
Cited
US2501862A
Cited
US2553005A
Cited
US2665609A
Cited
US2906168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |