Patent US3210538A successfully refreshed from Google Patents.
US3210538A
Expired / Lapsed
US
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Luminaire
Assignee: Westinghouse Electric Corp
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Filing: 1962-12-27
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Granted: 1965-10-05
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Expires: 1982-12-27
Abstract
No abstract record available.
Inventors
- 👤 George J Picha
- 👤 Leonard H Seeley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:57
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21V; F21V17/00; F21V17/10; F21V17/107; F21V17/18; F21V23/00; F21V23/001; F21V23/02; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A LUMINAIRE, THE COMBINATION COMPRISING AN ELONGATED HOUSING HAVING TOP, SIDE AND END WALLS, INWARDLY EXTENDING ELONGATED STRIP MEMBERS SECURED TO EACH OF SAID SIDE WALLS, INWARDLY EXTENDING FLANGES INTEGRAL WITH SAID END WALLS AND BEING STEPED UPWARDLY FROM SAID SIDE WALL STRIP MEMBERS,S AID STRIP MEMBERS AND FLANGES DEFINING A LIGHT OPENING OF SAID LUMINAIRE, AN AT LEAST PARTIALLY LIGHT TRANSMITTING CLOSURE ASSEMBLY FOR SAID OPENING, SAID CLOSURE ASSEMBLY HAVING A PAIR OF LATERALLY OUTWARDLY EXTENDING FLANGES SECURED TO THE SIDES THEREOF, SAID CLOSURE FLANGES HAVING A LONGITUDINAL DIMENSION SLIGHTLY LESS THAN THE LONGITUDINAL DIMENSION OF SAID LIGHT OPENING, THE LONGITUDINAL DIMENSION OF SAID CLOSURE ASSEMBLY EXCLUDING SAID CLOSURE FLANGES BEING GREATER THAN THE LON-
Claim 2
Dependent Claim
117 words
IN A LUMINAIRE, THE COMBINATION COMPRISING AN ELONGATED HOUSING HAVING TOP, SIDE AND END WALLS, INWARDLY EXTENDING ELONGATED STRIP MEMBERS SECURED TO EACH OF SAID SIDE WALLS, INWARDLY EXTENDING FLANGES INTEGRAL WITH SAID END WALLS AND BEING STEPED UPWARDLY FROM SAID SIDE WALL STRIP MEMBERS,S AID STRIP MEMBERS AND FLANGES DEFINING A LIGHT OPENING OF SAID LUMINAIRE, AN AT LEAST PARTIALLY LIGHT TRANSMITTING CLOSURE ASSEMBLY FOR SAID OPENING, SAID CLOSURE ASSEMBLY HAVING A PAIR OF LATERALLY OUTWARDLY EXTENDING FLANGES SECURED TO THE SIDES THEREOF, SAID CLOSURE FLANGES HAVING A LONGITUDINAL DIMENSION SLIGHTLY LESS THAN THE LONGITUDINAL DIMENSION OF SAID LIGHT OPENING, THE LONGITUDINAL DIMENSION OF SAID CLOSURE ASSEMBLY EXCLUDING SAID CLOSURE FLANGES BEING GREATER THAN THE LON-
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |