US3089024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire
Assignee: Holophane Corp
•
Filing: 1959-03-30
•
Granted: 1963-05-07
•
Expires: 1979-03-30
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Odle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:02
CPC Classifications
F; F21; F21V; F21V5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A LUMINAIRE COMPRISING A LIGHT SOURCE, A REFLECTOR ABOVE SAID LIGHT SOURCE AND A REFRACTOR HAVING SIDES LOCATED IN THE PATH OF LIGHT FROM SAID REFLECTOR AND SAID LIGHT SOURCE, HORIZONTALLY EXTENDING PRISMS DISPOSED ON ONE SIDE OF SAID REFRACTOR ON THE OUTER SURFACE THEREOF, EACH SAID HORIZONTALLY EXTENDING PRISM INCLUDING AN UPPER SUBSTANTIALLY VERTICAL SIDE AND A LOWER SUBSTANTIALLY HORIZONTAL SIDE, A PLURALITY OF VERTICALLY EXTENDING REFLECTING PRISMS DISPOSED IN HORIZONTAL SIDE-BY-SIDE RELATIONSHIP ON THE SUBSTANTIALLY VERTICAL SIDE OF EACH SAID HORIZONTAL PRISM, EACH HORIZONTALLY EXTENDING PRISM LYING INWARDLY OF ITS NEXT ADJACENT UPPER HORIZONTALLY EXTENDING PRISM, THE INNER SURFACE OF SAID SIDE OF SAID REFRACTOR SLOPING DOWNWARDLY AND INWARDLY RELATIVE TO SAID LIGHT SOURCE IN A CURVED PATH, BOTH OF SAID PRISMS AND SAID INNER SURFACE OF SAID SIDE OF SAID REFRACTOR BEING DISPOSED AT SUCH ANGLES RELATIVE TO SAID LIGHT SOURCE AND THE PATH OF LIGHT FROM SAID REFLECTOR, THAT LIGHT RAYS STRIKING SAID CURVED SURFACE PASS TO THE SURFACE OF SAID VERTICAL REFLECTING PRISMS AND ARE REFLECTED INWARDLY BACK TO SAID CURVED SURFACE AND REFLECTED AGAIN BY SAID CURVED SURFACE IN A SUBSTANTIALLY DOWNWARD DIRECTION THROUGH THE SUBSTANTIALLY HORIZONTAL SIDES OF SAID HORIZONTALLY EXTENDING PRISMS.
Claim 2
Dependent Claim
199 words
A LUMINAIRE COMPRISING A LIGHT SOURCE, A REFLECTOR ABOVE SAID LIGHT SOURCE AND A REFRACTOR HAVING SIDES LOCATED IN THE PATH OF LIGHT FROM SAID REFLECTOR AND SAID LIGHT SOURCE, HORIZONTALLY EXTENDING PRISMS DISPOSED ON ONE SIDE OF SAID REFRACTOR ON THE OUTER SURFACE THEREOF, EACH SAID HORIZONTALLY EXTENDING PRISM INCLUDING AN UPPER SUBSTANTIALLY VERTICAL SIDE AND A LOWER SUBSTANTIALLY HORIZONTAL SIDE, A PLURALITY OF VERTICALLY EXTENDING REFLECTING PRISMS DISPOSED IN HORIZONTAL SIDE-BY-SIDE RELATIONSHIP ON THE SUBSTANTIALLY VERTICAL SIDE OF EACH SAID HORIZONTAL PRISM, EACH HORIZONTALLY EXTENDING PRISM LYING INWARDLY OF ITS NEXT ADJACENT UPPER HORIZONTALLY EXTENDING PRISM, THE INNER SURFACE OF SAID SIDE OF SAID REFRACTOR SLOPING DOWNWARDLY AND INWARDLY RELATIVE TO SAID LIGHT SOURCE IN A CURVED PATH, BOTH OF SAID PRISMS AND SAID INNER SURFACE OF SAID SIDE OF SAID REFRACTOR BEING DISPOSED AT SUCH ANGLES RELATIVE TO SAID LIGHT SOURCE AND THE PATH OF LIGHT FROM SAID REFLECTOR, THAT LIGHT RAYS STRIKING SAID CURVED SURFACE PASS TO THE SURFACE OF SAID VERTICAL REFLECTING PRISMS AND ARE REFLECTED INWARDLY BACK TO SAID CURVED SURFACE AND REFLECTED AGAIN BY SAID CURVED SURFACE IN A SUBSTANTIALLY DOWNWARD DIRECTION THROUGH THE SUBSTANTIALLY HORIZONTAL SIDES OF SAID HORIZONTALLY EXTENDING PRISMS.
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |