US3222516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lenticulated lens for traffic light
Assignee: Lancaster Glass Corp
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Filing: 1963-06-24
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Granted: 1965-12-07
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Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 John R Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:16
CPC Classifications
F; F21; F21V; F21V5/00; F21V5/02; F21S; F21S41/00; F21S41/20; F21S41/28; G; G08; G08G; G08G1/00; G08G1/09; G08G1/095; F21W; F21W2107/00; F21W2107/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A LENS FOR A SIGNAL LIGHT COMPRISING A SPHERICAL SECTION OF LIGHT TRANSMITTING MATERIAL HAVING AN INNER FACE AND AN OUTER FACE, SAID INNER FACE, WHEN VIEWED WITH ITS CHORDAL PLANE VERTICAL, BEING PROVIDED WITH A PLURALITY OF CONTIGUOUS TRANSVERSELY DISPOSED FLUTES, EACH SAID FLUTE HAVING A VERTICAL RADIUS AND A BASE DISPOSED IN A HORIZONTAL PLANE, AND BEING SCALLOPED ALONG ITS HORIZONTAL AXIS TO FORM A PLURALITY OF CONTIGUOUS, BI-RADIAL, CONVEX, RECTILINEAR SEGMENTS, EACH SAID SEGMENT BEING CANTED SO THAT THE CENTRAL VERTICAL RADIUS THEREOF INTERSECTS SAID OUTER FACE AT A POINT BELOW THE POINT OF INTERSECTION OF SAID OUTER FACE BY A RADIUS OF SAID FACE EXTENDING THROUGH THE CENTER POINT OF SAID SEGMENT, EACH SAID BI-RADIAL, RECTILINEAR SEGMENT IN ANY ONE FLUTE BEING EQUALLY CANTED WITH RESPECT TO SAID RADIUS OF SAID OUTER FACE THAT EXTENDS THROUGH THE CENTER POINT OF SAID SEGMENT, BUT WITH THE DEGREE OF CANTING OF SAID SEGMENTS AND THE RADII OF SAID SEGMENTS BEING EQUAL IN ALTERNATE FLUTES.
Claim 2
Dependent Claim
166 words
A LENS FOR A SIGNAL LIGHT COMPRISING A SPHERICAL SECTION OF LIGHT TRANSMITTING MATERIAL HAVING AN INNER FACE AND AN OUTER FACE, SAID INNER FACE, WHEN VIEWED WITH ITS CHORDAL PLANE VERTICAL, BEING PROVIDED WITH A PLURALITY OF CONTIGUOUS TRANSVERSELY DISPOSED FLUTES, EACH SAID FLUTE HAVING A VERTICAL RADIUS AND A BASE DISPOSED IN A HORIZONTAL PLANE, AND BEING SCALLOPED ALONG ITS HORIZONTAL AXIS TO FORM A PLURALITY OF CONTIGUOUS, BI-RADIAL, CONVEX, RECTILINEAR SEGMENTS, EACH SAID SEGMENT BEING CANTED SO THAT THE CENTRAL VERTICAL RADIUS THEREOF INTERSECTS SAID OUTER FACE AT A POINT BELOW THE POINT OF INTERSECTION OF SAID OUTER FACE BY A RADIUS OF SAID FACE EXTENDING THROUGH THE CENTER POINT OF SAID SEGMENT, EACH SAID BI-RADIAL, RECTILINEAR SEGMENT IN ANY ONE FLUTE BEING EQUALLY CANTED WITH RESPECT TO SAID RADIUS OF SAID OUTER FACE THAT EXTENDS THROUGH THE CENTER POINT OF SAID SEGMENT, BUT WITH THE DEGREE OF CANTING OF SAID SEGMENTS AND THE RADII OF SAID SEGMENTS BEING EQUAL IN ALTERNATE FLUTES.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |