Patent US3233089A successfully refreshed from Google Patents.
US3233089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-dazzling headlights for automobiles
Assignee: Individual
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Filing: 1964-04-22
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Granted: 1966-02-01
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Expires: 1984-04-22
Abstract
No abstract record available.
Inventors
- 👤 Felix Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:43
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/10; F21S41/12; F21S41/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A HEADLIGHT FOR AUTOMOBILES AND LIKE VEHICLES, COMPRISING A CONCAVE REFLECTOR HAVING A FORWARDLY DIRECTED HORIZONTAL OPTICAL AXIS AND A LIGHT SOURCE MOUNTED IN SAID REFLECTOR AND LYING SUBSTANTIALLY ON SAID OPTICAL AXIS, A VERTICAL POLARIZING SCREEN EXTENDING FROM THE LOWER OPEN END OF SAID REFLECTOR UPWARDLY TO AT LEAST ABOUT THE HORIZONTAL PLANE PASSING THROUGH SAID OPTICAL AXIS, AND AN ANALYZING SCREEN EXTENDING SUBSTANTIALLY HORIZONTAL FROM SAID VERTICAL SCREEN FORWARDLY OF SAID VERTICAL SCREEN TO ARREST THE RAYS DIRECTED UPWARDLY FROM THE LOWER SECTION OF THE REFLECTOR THROUGH SAID VERTICAL SCREEN.
Claim 2
Dependent Claim
92 words
A HEADLIGHT FOR AUTOMOBILES AND LIKE VEHICLES, COMPRISING A CONCAVE REFLECTOR HAVING A FORWARDLY DIRECTED HORIZONTAL OPTICAL AXIS AND A LIGHT SOURCE MOUNTED IN SAID REFLECTOR AND LYING SUBSTANTIALLY ON SAID OPTICAL AXIS, A VERTICAL POLARIZING SCREEN EXTENDING FROM THE LOWER OPEN END OF SAID REFLECTOR UPWARDLY TO AT LEAST ABOUT THE HORIZONTAL PLANE PASSING THROUGH SAID OPTICAL AXIS, AND AN ANALYZING SCREEN EXTENDING SUBSTANTIALLY HORIZONTAL FROM SAID VERTICAL SCREEN FORWARDLY OF SAID VERTICAL SCREEN TO ARREST THE RAYS DIRECTED UPWARDLY FROM THE LOWER SECTION OF THE REFLECTOR THROUGH SAID VERTICAL SCREEN.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |