US3307443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for displaying colored light
Assignee: Individual
•
Filing: 1964-12-03
•
Granted: 1967-03-07
•
Expires: 1984-12-03
Abstract
No abstract record available.
Inventors
- 👤 Orvil F Shallenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:20
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/20; G09F19/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
APPARATUS FOR DISPLAYING COLORED LIGHT COMPRISING AN EXTENDED AREA DISPLAY SCREEN HAVING OPPOSITE SIDE EDGES, A PLURALITY OF COLORED LIGHT SOURCES ARRANGED IN A ROW EXTENDING BETWEEN SAID SIDE EDGES, SAID ROW OF LIGHT SOURCES BEING DISPOSED ON ONE SIDE OF SAID DISPLAY SCREEN AND ADJACENT THERETO, MEANS ASSOCIATED WITH SAID SCREEN INCLUDING A FIRST PLURALITY OF MASKING ELEMENTS FOR DIRECTING DIVERGENT BEAMS OF LIGHT ONTO SAID SCREEN AT AN ACUTE ANGLE OF INCIDENCE FOR PRODUCING A DISPLAY ON SAID SCREEN OF A PLURALITY OF WEDGE-SHAPED COLORED LIGHT PATTERNS, A SECOND PLURALITY OF MASKING ELEMENTS INTERPOSED IN SAID BEAMS OF LIGHT RESPECTIVELY FOR MASKING OUT PORTIONS OF SAID BEAMS, SAID SECOND MASKING ELEMENTS BEING ARRANGED IN A ROW PARALLEL TO THE ROW OF LIGHT SOURCES, SAID SECOND MASKING ELEMENTS BEING MOUNTED WITH RESPECT TO SAID SCREEN AND SAID LIGHT SOURCES.
Claim 2
Dependent Claim
140 words
APPARATUS FOR DISPLAYING COLORED LIGHT COMPRISING AN EXTENDED AREA DISPLAY SCREEN HAVING OPPOSITE SIDE EDGES, A PLURALITY OF COLORED LIGHT SOURCES ARRANGED IN A ROW EXTENDING BETWEEN SAID SIDE EDGES, SAID ROW OF LIGHT SOURCES BEING DISPOSED ON ONE SIDE OF SAID DISPLAY SCREEN AND ADJACENT THERETO, MEANS ASSOCIATED WITH SAID SCREEN INCLUDING A FIRST PLURALITY OF MASKING ELEMENTS FOR DIRECTING DIVERGENT BEAMS OF LIGHT ONTO SAID SCREEN AT AN ACUTE ANGLE OF INCIDENCE FOR PRODUCING A DISPLAY ON SAID SCREEN OF A PLURALITY OF WEDGE-SHAPED COLORED LIGHT PATTERNS, A SECOND PLURALITY OF MASKING ELEMENTS INTERPOSED IN SAID BEAMS OF LIGHT RESPECTIVELY FOR MASKING OUT PORTIONS OF SAID BEAMS, SAID SECOND MASKING ELEMENTS BEING ARRANGED IN A ROW PARALLEL TO THE ROW OF LIGHT SOURCES, SAID SECOND MASKING ELEMENTS BEING MOUNTED WITH RESPECT TO SAID SCREEN AND SAID LIGHT SOURCES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |