US3189740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire
Assignee: Holophane Corp
•
Filing: 1962-10-09
•
Granted: 1965-06-15
•
Expires: 1982-10-09
Abstract
No abstract record available.
Inventors
- 👤 Vearl S Wince
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:00
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/10; F21V17/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A LUMINAIRE FOR SUBSTANTIAL FLUSH MOUNTING UPON A MOUNTING SURFACE, COMPRISING A FIXTURE HOUSING, SAID HOUSING INCLUDING A BACK PLATE WITH AN OUTER SURFACE FOR FACING THE MOUNTING SURFACE, SPACING MEANS EXTENDING OUTWARDLY OF SAID OUTER SURFACE AND DISPOSED INWARDLY OF THE EDGES OF SAID BACK PLATE FOR CONTACTING THE MOUNTING SURFACE AND FOR SPACING SAID BACK PLATE A SLIGHT DISTANCE THEREFROM, A LIGHT AND HEAT GENERATING MEANS DEPENDING BELOW SAID BACK PLATE AND DISPOSED ADJACENT THE INNER SURFACE THEREOF, A LIGHT TRANSMISSIVE LENS ENCLOSURE HAVING SIDES, THE UPPER EDGES OF WHICH OPPOSE THE INNER SURFACES OF SAID BACK PLATE ADJACENT THE EDGES THEREOF, THE AREA OF SAID BACK PLATE EXTENDING BETWEEN THE OUTER EDGES THEREOF AND SAID SPACING MEANS BEING EXPOSED TO AMBIENT TEMPERATURES WHEN SAID LUMINAIRE IS MOUNTED ON THE MOUNTING SURFACE.
Claim 2
Dependent Claim
134 words
A LUMINAIRE FOR SUBSTANTIAL FLUSH MOUNTING UPON A MOUNTING SURFACE, COMPRISING A FIXTURE HOUSING, SAID HOUSING INCLUDING A BACK PLATE WITH AN OUTER SURFACE FOR FACING THE MOUNTING SURFACE, SPACING MEANS EXTENDING OUTWARDLY OF SAID OUTER SURFACE AND DISPOSED INWARDLY OF THE EDGES OF SAID BACK PLATE FOR CONTACTING THE MOUNTING SURFACE AND FOR SPACING SAID BACK PLATE A SLIGHT DISTANCE THEREFROM, A LIGHT AND HEAT GENERATING MEANS DEPENDING BELOW SAID BACK PLATE AND DISPOSED ADJACENT THE INNER SURFACE THEREOF, A LIGHT TRANSMISSIVE LENS ENCLOSURE HAVING SIDES, THE UPPER EDGES OF WHICH OPPOSE THE INNER SURFACES OF SAID BACK PLATE ADJACENT THE EDGES THEREOF, THE AREA OF SAID BACK PLATE EXTENDING BETWEEN THE OUTER EDGES THEREOF AND SAID SPACING MEANS BEING EXPOSED TO AMBIENT TEMPERATURES WHEN SAID LUMINAIRE IS MOUNTED ON THE MOUNTING SURFACE.
References Cited (Backward Citations)
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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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |