US3120929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent lighting fixture
Assignee: CURTIS ELECTRO LIGHTING Inc
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Filing: 1960-03-31
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Granted: 1964-02-11
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Expires: 1980-03-31
Abstract
No abstract record available.
Inventors
- 👤 Donald S Henning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:36
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/005; F21V15/00; F21V15/01; F21V15/015; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
214 words
A LIGHTING FIXTURE COMPRISING A WIREWAY, A PAIR OF LAMP SOCKET PLATES CONNECTED TO THE END OF SAID WIREWAY, A PAIR OF INTERMEDIATE PLATES FITTED OVER SAID SOCKET PLATES IN SNAP-ON RELATION THERETO, A RESILIENT TRANSLUCENT COVER EXTENDING ABOUT THE BOTTOM AND TWO SIDES OF SAID FIXTURE AND ENGAGING THE WIREWAY AND THE INTERMEDIATE PLATES, A RESILIENT WIREWAY COVER, AN EMBOSSMENT ON THE CENTER PORTION OF THE SOCKET PLATE FORMING A FLUSH FIT WITH THE OUTER FACE SURFACE OF THE INTERMEDIATE PLATES, A SPACE IN EACH INTERMEDIATE PLATE ADAPTED TO RECEIVE THE EMBOSSED SECTION OF THE SOCKET PLATES, FITTING MEANS IN EACH EMBOSSMENT AND IN THE OUTER SURFACE OF EACH INTERMEDIATE PLATE TO ENGAGE ANOTHER UNIT OF LIKE CONSTRUCTION, A LAMP SOCKET AND STOP LUG FOR A LAMP SOCKET ON EACH SOCKET PLATE, INWARDLY PROJECTING FLANGES ABOUT THE OUTER EDGES OF EACH INTERMEDIATE PLATE, STOPS MOUNTED IN THE BOTTOM OF SAID FLANGES FOR ENGAGING AND POSITIONING THE ENDS OF THE RESILIENT TRANSLUCENT COVER, SAID RESILIENT TRANSLUCENT COVER CONTAINING GROOVES ALONG ITS OUTER LATERAL EDGE ADAPTED TO PROVIDE A FITTING RELATION WITH CORRESPONDINGLY SHAPED CHANNELS FORMED ALONG THE OUTER LATERAL EDGES OF THE WIREWAY, SAID WIREWAY HAVING LONGITUDINALLY EXTENDING DOWNWARDLY PROJECTING TABS, AND FLANGES ALONG THE OUTER EDGES OF SAID WIREWAY COVER ENGAGING SAID TABS.
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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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |