US3210876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminous devices
Assignee: Dialight Corp
•
Filing: 1964-01-10
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Granted: 1965-10-12
•
Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 Towne Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:40
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/04; G09F; G09F9/00; G09F9/30; G09F9/302; G09F9/3023; G09F9/307
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
225 words
A LUMINOUS DEVICE COMPRISING A SHEATH OF OPAQUE MATERIAL HAVING AN OPENING AT ONE END THEREOF; A SHEATH OF DIFFUSELY REFLECTIVE MATERIAL WHICH IS WITHIN THE SHEATH OF OPAQUE MATERIAL AND HAS AN OPENING AT ONE END ALIGNED WITHIN THE OPENING IN THE SHEATH OF OPAQUE MATERIAL; A LIGHT SOURCE WITHIN THE SHEATH OF DIFFUSELY REFLECTIVE MATERIAL; AND A TRANSPARENT MEMBER WITHIN THE SHEATH OF DIFFUSELY REFLECTIVE MATERIAL, THE SHEATH OF OPAQUE MATERIAL, THE SHEATH OF DIFFUSELY REFLECTIVE MATERIAL AND THE TRANSPARENT MEMBER HAVING A COMMON LONGITUDINAL AXIS, SAID TRANSPARENT MEMBER RECEIVING LIGHT RAYS RADIALLY FROM SAID LIGHT SOURCE, A PORTION OF THE TRANSPARENT MEMBER BEING BETWEEN THE LIGHT SOURCE AND THE OPENING OF THE SHEATH F DIFFUSELY REFLECTIVE MATERIAL AND EXTENDING INTO THE OPENING OF THE SHEATH OF DIFFUSLEY REFLECTIVE MATERIAL, AND A PORTION OF THE TRANSPARENT MEMBER EXTENDING WITHIN THE SHEATHOF DIFFUSELY REFLECTIVE MATERIAL ALONGSIDE THE LIGHT SOURCE, THE SAID PORTION OF THE TRANSPARENT MEMBER WHICH EXTENDS INTO THE OPENING OF THE SHEATH OF DIFFUSELY REFLECTIVE MATERIAL HAVING AN EXPOSED SURFACE WHICH IS SHAPED TO DEFINE AT LEAST A PORTION OF A PREDETERMINED INFORMATIONAL CHARACTER, WHEREBY A PORTION OF THE LIGHT EMITTED BY THE LIGHT SOURCE IS REFLECTED BY THE DIFFUSELY REFLECTIVE MATERIAL, ASSES THROUGH A PORTION OF THE TRANSPARENT MEMBER AND THEN PASSES THROUGH THE OPENING OF THE SHEATH OF OPAQUE MATERIAL.
Claim 2
Dependent Claim
225 words
A LUMINOUS DEVICE COMPRISING A SHEATH OF OPAQUE MATERIAL HAVING AN OPENING AT ONE END THEREOF; A SHEATH OF DIFFUSELY REFLECTIVE MATERIAL WHICH IS WITHIN THE SHEATH OF OPAQUE MATERIAL AND HAS AN OPENING AT ONE END ALIGNED WITHIN THE OPENING IN THE SHEATH OF OPAQUE MATERIAL; A LIGHT SOURCE WITHIN THE SHEATH OF DIFFUSELY REFLECTIVE MATERIAL; AND A TRANSPARENT MEMBER WITHIN THE SHEATH OF DIFFUSELY REFLECTIVE MATERIAL, THE SHEATH OF OPAQUE MATERIAL, THE SHEATH OF DIFFUSELY REFLECTIVE MATERIAL AND THE TRANSPARENT MEMBER HAVING A COMMON LONGITUDINAL AXIS, SAID TRANSPARENT MEMBER RECEIVING LIGHT RAYS RADIALLY FROM SAID LIGHT SOURCE, A PORTION OF THE TRANSPARENT MEMBER BEING BETWEEN THE LIGHT SOURCE AND THE OPENING OF THE SHEATH F DIFFUSELY REFLECTIVE MATERIAL AND EXTENDING INTO THE OPENING OF THE SHEATH OF DIFFUSLEY REFLECTIVE MATERIAL, AND A PORTION OF THE TRANSPARENT MEMBER EXTENDING WITHIN THE SHEATHOF DIFFUSELY REFLECTIVE MATERIAL ALONGSIDE THE LIGHT SOURCE, THE SAID PORTION OF THE TRANSPARENT MEMBER WHICH EXTENDS INTO THE OPENING OF THE SHEATH OF DIFFUSELY REFLECTIVE MATERIAL HAVING AN EXPOSED SURFACE WHICH IS SHAPED TO DEFINE AT LEAST A PORTION OF A PREDETERMINED INFORMATIONAL CHARACTER, WHEREBY A PORTION OF THE LIGHT EMITTED BY THE LIGHT SOURCE IS REFLECTED BY THE DIFFUSELY REFLECTIVE MATERIAL, ASSES THROUGH A PORTION OF THE TRANSPARENT MEMBER AND THEN PASSES THROUGH THE OPENING OF THE SHEATH OF OPAQUE MATERIAL.
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |