Patent US474252A successfully refreshed from Google Patents.
Patent US3078366A successfully refreshed from Google Patents.
US3078366A
Expired / Lapsed
US
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Luminaire
Assignee: Westinghouse Electric Corp
•
Filing: 1958-01-16
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Granted: 1963-02-19
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Expires: 1978-01-16
Abstract
No abstract record available.
Inventors
- 👤 Frederic C Winkler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:23
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21S8/02; F21Y; F21Y2103/00; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0918; Y10T292/0926; Y10T292/0928; Y10T292/0934
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
A LUMINAIRE FOR USE WITH ELONGATED ELECTRIC DISCHARGE LAMPS COMPRISING IN COMBINATION, AN ELONGATED HOUSING HAVING END WALLS AND SIDE WALLS AND A TOP WALL, OPPOSED LAMPHOLDER SUPPORTS MOUNTED RESPECTIVELY ADJACENT THE END WALLS OF SAID HOUSING, SAID LAMPHOLDER SUPPORTS AND SAID END WALLS FORMING WIRING CHANNELS, ELONGATED REFLECTORS MOUNTED RESPECTIVELY AT OPPOSITE SIDES WITHIN SAID HOUSING, SAID REFLECTORS EACH HAVING ITS LATERAL EDGES ENGAGING THE ADJACENT TOP AND SIDE WALLS OF SAID HOUSING TO DEFINE A WIRING CHANNEL THEREBETWEEN, SAID WIRING CHANNELS COMMUNICATING WITH ONE ANOTHER SO AS TO FORM A CONTINUOUS WIRING CHANNEL ABOUT THE PERIPHERY OF SAID LUMINAIRE, AND DETACHABLE LIGHT TRANSMITTING MEANS FOR CLOSING A BOTTOM OPENING OF SAID HOUSING.
References Cited (Backward Citations)
US2305015A
Cited
US2321099A
Cited
US2336414A
Cited
US2327552A
Cited
US2523840A
Cited
US2440186A
Cited
US2440603A
Cited
US2587920A
Cited
US2596634A
Cited
US2684498A
Cited
US2744716A
Cited
US2846569A
Cited
US2867719A
Cited
US2932728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |