US3118620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent lighting fixture
Assignee: CURTIS ELECTRO LIGHTING Inc
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Filing: 1960-08-31
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Granted: 1964-01-21
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Edward P Bucek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:38
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/007; F21S; F21S4/00; F21S4/20; F21V15/00; F21V15/01; F21V11/00; F21V11/06; F21V17/10; F21V17/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A LIGHTING FIXTURE COMPRISING A BASE FOR HOLDING THE LIGHTS, SOCKETS AND CURRENT ELEMENTS, A PAIR OF ELONGATE LIGHT TRANSMITTING SIDE PANELS WITH EACH SIDE PANEL HAVING A BOTTOM EDGE AND OPPOSITE ENDS, MEANS FOR REMOVABLY MOUNTING THE SIDE PANELS IN VERTICAL POSITION ON SAID BASE COMPRISING A PAIR OF VERTICALLY DISPOSED END PIECES SECURED IN PARALLEL RELATION TO THE OPPOSITE ENDS OF THE BASE AND SPACED ONE FROM THE OTHER BY AN AMOUNT GREATER THAN THE LENGTH OF THE SIDE PANELS, SIDE FLANGES EXTENDING INWARDLY FROM THE LATERAL EDGES OF EACH END PIECE AND A BOTTOM FLANGE EXTENDING INWARDLY FROM THE BOTTOM EDGE OF EACH END PIECE WITH THE SIDE FLANGES BEING DIMENSIONED TO HAVE A LENGTH WHEREBY THE SPACED RELATION BETWEEN THE INNER EDGES OF SIDE FLANGES ON OPPOSITE END PIECES IS LESS THAN THE LENGTH OF THE SIDE PANELS BUT WHEREBY THE SPACED RELATIONSHIP BETWEEN THE INNER EDGE OF THE SIDE FLANGE ON ONE END PIECE AND THE OPPOSITE END PIECE IS GREATER THAN THE LENGTH OF THE SIDE PANELS WHEREBY WHEN THE SIDE PANELS ARE DISPLACED ENDWISE WITH ONE END AGAINST ONE END PIECE, THE
Claim 2
Dependent Claim
189 words
A LIGHTING FIXTURE COMPRISING A BASE FOR HOLDING THE LIGHTS, SOCKETS AND CURRENT ELEMENTS, A PAIR OF ELONGATE LIGHT TRANSMITTING SIDE PANELS WITH EACH SIDE PANEL HAVING A BOTTOM EDGE AND OPPOSITE ENDS, MEANS FOR REMOVABLY MOUNTING THE SIDE PANELS IN VERTICAL POSITION ON SAID BASE COMPRISING A PAIR OF VERTICALLY DISPOSED END PIECES SECURED IN PARALLEL RELATION TO THE OPPOSITE ENDS OF THE BASE AND SPACED ONE FROM THE OTHER BY AN AMOUNT GREATER THAN THE LENGTH OF THE SIDE PANELS, SIDE FLANGES EXTENDING INWARDLY FROM THE LATERAL EDGES OF EACH END PIECE AND A BOTTOM FLANGE EXTENDING INWARDLY FROM THE BOTTOM EDGE OF EACH END PIECE WITH THE SIDE FLANGES BEING DIMENSIONED TO HAVE A LENGTH WHEREBY THE SPACED RELATION BETWEEN THE INNER EDGES OF SIDE FLANGES ON OPPOSITE END PIECES IS LESS THAN THE LENGTH OF THE SIDE PANELS BUT WHEREBY THE SPACED RELATIONSHIP BETWEEN THE INNER EDGE OF THE SIDE FLANGE ON ONE END PIECE AND THE OPPOSITE END PIECE IS GREATER THAN THE LENGTH OF THE SIDE PANELS WHEREBY WHEN THE SIDE PANELS ARE DISPLACED ENDWISE WITH ONE END AGAINST ONE END PIECE, THE
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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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |