US3272064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light attenuating optical device for vehicles
Assignee: Individual
•
Filing: 1965-09-23
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Granted: 1966-09-13
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Expires: 1985-09-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Hyndman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:05
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/28; G02B27/281; F; F21; F21S; F21S41/00; F21S41/10; F21S41/12; F21S41/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
AN OPTICAL DEVICE TO BE USED BY AN OPERATOR OF A VEHICLE FOR VISUAL OBSERVATION OF LIGHTED AREAS AND TO REDUCE GLARE FROM BRIGHT LIGHTS, COMPRISING A FIRST PAIR OF SPACED POLARIZING ELEMENTS IN OPTICAL ALIGNMENT INCLUDING A FIRST EYE PIECE ELEMENT AND A FIRST FILTER ELEMENT, AND A SECOND PAIR OF SPACED POLARIZING ELEMENTS IN OPTICAL ALIGNMENT INCLUDING A SECOND EYE PIECE ELEMENT AND A SECOND FILTER ELEMENT, EACH OF SAID FIRST PAIR OF ELEMENTS HAVING ITS AXES OF POLARIZATION PERPENDICULAR TO THAT OF THE OTHER, EACH OF SAID SECOND PAIR OF ELEMENTS HAVING ITS AXES OF POLARIZATION PERPENDICULAR TO THAT OF THE OTHER, AND EACH OF SAID EYE PIECE ELEMENTS HAVING ITS AXIS OF POLARIZATION PERPENDICULAR TO THAT OF THE OTHER, SAID FIRST AND SECOND EYE PIECE ELEMENTS BEING POSITIONED ADJACENT TO THE EYES OF SAID OPERATOR, AND SAID FIRST AND SECOND FILTER ELEMENTS BEING ATTACHED TO SAID VEHICLE IN THE LINE OF VISION OF SAID OPERATOR, WHEREBY THE VISION OF SAID OPERATOR WHEN LOOKING DIRECTLY AHEAD THROUGH SAID FIRST AND SECOND PAIRS OF SPACED POLARIZING ELEMENTS IS OBSTRUCTED AND THE PERIPHERAL VISION OF SAID OPERATOR ENCOMPASSING THE REGION TO EITHER SIDE OF SAID FILTER ELEMENTS IS UNOBSTRUCTED
Claim 2
Dependent Claim
200 words
AN OPTICAL DEVICE TO BE USED BY AN OPERATOR OF A VEHICLE FOR VISUAL OBSERVATION OF LIGHTED AREAS AND TO REDUCE GLARE FROM BRIGHT LIGHTS, COMPRISING A FIRST PAIR OF SPACED POLARIZING ELEMENTS IN OPTICAL ALIGNMENT INCLUDING A FIRST EYE PIECE ELEMENT AND A FIRST FILTER ELEMENT, AND A SECOND PAIR OF SPACED POLARIZING ELEMENTS IN OPTICAL ALIGNMENT INCLUDING A SECOND EYE PIECE ELEMENT AND A SECOND FILTER ELEMENT, EACH OF SAID FIRST PAIR OF ELEMENTS HAVING ITS AXES OF POLARIZATION PERPENDICULAR TO THAT OF THE OTHER, EACH OF SAID SECOND PAIR OF ELEMENTS HAVING ITS AXES OF POLARIZATION PERPENDICULAR TO THAT OF THE OTHER, AND EACH OF SAID EYE PIECE ELEMENTS HAVING ITS AXIS OF POLARIZATION PERPENDICULAR TO THAT OF THE OTHER, SAID FIRST AND SECOND EYE PIECE ELEMENTS BEING POSITIONED ADJACENT TO THE EYES OF SAID OPERATOR, AND SAID FIRST AND SECOND FILTER ELEMENTS BEING ATTACHED TO SAID VEHICLE IN THE LINE OF VISION OF SAID OPERATOR, WHEREBY THE VISION OF SAID OPERATOR WHEN LOOKING DIRECTLY AHEAD THROUGH SAID FIRST AND SECOND PAIRS OF SPACED POLARIZING ELEMENTS IS OBSTRUCTED AND THE PERIPHERAL VISION OF SAID OPERATOR ENCOMPASSING THE REGION TO EITHER SIDE OF SAID FILTER ELEMENTS IS UNOBSTRUCTED
References Cited (Backward Citations)
DE835452C
Cited
US2837087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |