US3211905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire
Assignee: Westinghouse Electric Corp
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Filing: 1963-06-12
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Granted: 1965-10-12
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Expires: 1983-06-12
Abstract
No abstract record available.
Inventors
- 👤 George J Picha
- 👤 Leonard H Seeley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:52
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21S2/00; F21S2/005; F21V; F21V15/00; F21V15/01; F21V15/015; F21V17/00; F21V17/10; F21V17/107; F21V23/00; F21V23/001; F21V23/02; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
226 words
A LUMINAIRE COMPRISING: (A) AN ELONGATED INVERTED SHALLOW GENERALLY U-SHAPED CHANNEL MEMBER HAVING A TOP WALL AND SIDE WALLS; (B) AT LEASAT TWO ELONGATED MEMBERS HAVING A REFLECTIVE SURFACE, SAID ELONGATED MEMBERS POSITIONED WITHIN AND DISPOSED DOWNWARDLY FROM THE TOP WALL OF SAID CHANNEL MEMBER AND EXTENDING SUBSTANTIALLY THE LONGITUDINAL LENGTH THEREOF, AND THE PORTION OF SAID TOP WALL WHICH IS POSITIONED BETWEEN SAID ELONGATED MEMBERS BEING REFLECTIVE; (C) LONGITUDINAL CHAMBERS FOR ELECTRICAL COMPONENTS, FORMED WITHIN SAID CHANNEL MEMBER BY SAID ELONGATED MEMBERS, SAID CHANNEL MEMBER SIDE WALLS, PORTIONS OF SAID CHANNEL MEMBER TOP WALL, AND BOTTOM WALLS EXTENDING BETWEEN SAID CHANNEL MEMBER SIDE WALLS AND SAID ELONGATED MEMBERS; (D) OPPOSITELY DISPOSED END PLATES CONNECTED TO SAID LUMINAIRE, SAID END PLATES AND SAID ELONGATED MEMBERS DEFINING A BOTTOM OPENING; (E) A PLURALITY OF PAIRS OF OPPOSING LAMPHOLDERS AFFIXED WITHIN SAID LUMINAIRE BETWEEN SAID ELONGATED MEMBERS AND CLOSELY SPACED WITH RESPECT TO SAID END PLATES, EACH OF SAID PAIRS OF LAMPHOLDERS ADAPTED TO RETAIN AN ELONGATED LIGHT SOURCE THEREBETWEEN, SAID LAMPHOLDERS POSITIONED IN CLOSELY SPACED RELATIONSHIP WITH RESPECT TO THE TOP WALL OF SAID CHANNEL MEMBER, AND THAT PORTION OF SAID REFLECTIVE TOP WALL OF SAID CHANNEL MEMBER WHICH IS POSITIONED OVER THE ELONGATED LIGHT SOURCES ADAPTED TO BE RETAINED BETWEEN SAID LAMPHOLDERS LYING IN ONE PLANE; AND (F) LIGHT CONTROL MEANS SUBSTANTIALLY COVERING SAID BOTTOM OPENING.
Claim 2
Dependent Claim
226 words
A LUMINAIRE COMPRISING: (A) AN ELONGATED INVERTED SHALLOW GENERALLY U-SHAPED CHANNEL MEMBER HAVING A TOP WALL AND SIDE WALLS; (B) AT LEASAT TWO ELONGATED MEMBERS HAVING A REFLECTIVE SURFACE, SAID ELONGATED MEMBERS POSITIONED WITHIN AND DISPOSED DOWNWARDLY FROM THE TOP WALL OF SAID CHANNEL MEMBER AND EXTENDING SUBSTANTIALLY THE LONGITUDINAL LENGTH THEREOF, AND THE PORTION OF SAID TOP WALL WHICH IS POSITIONED BETWEEN SAID ELONGATED MEMBERS BEING REFLECTIVE; (C) LONGITUDINAL CHAMBERS FOR ELECTRICAL COMPONENTS, FORMED WITHIN SAID CHANNEL MEMBER BY SAID ELONGATED MEMBERS, SAID CHANNEL MEMBER SIDE WALLS, PORTIONS OF SAID CHANNEL MEMBER TOP WALL, AND BOTTOM WALLS EXTENDING BETWEEN SAID CHANNEL MEMBER SIDE WALLS AND SAID ELONGATED MEMBERS; (D) OPPOSITELY DISPOSED END PLATES CONNECTED TO SAID LUMINAIRE, SAID END PLATES AND SAID ELONGATED MEMBERS DEFINING A BOTTOM OPENING; (E) A PLURALITY OF PAIRS OF OPPOSING LAMPHOLDERS AFFIXED WITHIN SAID LUMINAIRE BETWEEN SAID ELONGATED MEMBERS AND CLOSELY SPACED WITH RESPECT TO SAID END PLATES, EACH OF SAID PAIRS OF LAMPHOLDERS ADAPTED TO RETAIN AN ELONGATED LIGHT SOURCE THEREBETWEEN, SAID LAMPHOLDERS POSITIONED IN CLOSELY SPACED RELATIONSHIP WITH RESPECT TO THE TOP WALL OF SAID CHANNEL MEMBER, AND THAT PORTION OF SAID REFLECTIVE TOP WALL OF SAID CHANNEL MEMBER WHICH IS POSITIONED OVER THE ELONGATED LIGHT SOURCES ADAPTED TO BE RETAINED BETWEEN SAID LAMPHOLDERS LYING IN ONE PLANE; AND (F) LIGHT CONTROL MEANS SUBSTANTIALLY COVERING SAID BOTTOM OPENING.
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) | 1968-10-11 | 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 |