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US3243630A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluorescent panel lamp faceplate with opaque striping

Assignee: General Electric Co
•
Filing: 1962-01-02
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Granted: 1966-03-29
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Expires: 1982-01-02
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Abstract

No abstract record available.

Inventors

  • 👤 William C Martyny

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 20:47
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/04; H01J61/10; H01J61/103; H01J61/38; H01J61/42; H01J61/44

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 101 words
A FLUORESCENT PANEL LAMP COMPRISING A BACKPLATE AND A VITREOUS FACEPLATE SEALED TOGETHER ALONG THEIR MARGINS, SAID FACEPLATE BEING GENERALLY PLANAR AND SAID BACKPLATE HAVING A LABYRINTHINE DISCHARGE CHANNELWAY FORMED THEREIN BY MEANS OF PARTITIONS WHICH SEAT AGAINST THE FACEPLATE, AT LEAST SAID FACEPLATE BEING COATED INTERNALLY WITH A PHOSPHOR, THE REGIONS WHERE SAID PARTITIONS UNDERLIE THE FACEPLATE APPEARING DARK BY CONTRAST WHEN THE LAMP IS LIT, AND APAQUE STRIPING APPLIED TO THE FACEPLATE OVER THE DARK AREAS OVERLYING THE PARTITIONS AND EXTENDING CONTINUOUSLY OVER ADJACENT BRIGHT AREAS IN ORDER TO COMOUFLAGE THE PATTERN OF THE DISCHARGE THROUGH SAID LABYRINTHINE CHANNELWAY.
Claim 2
Dependent Claim 101 words
A FLUORESCENT PANEL LAMP COMPRISING A BACKPLATE AND A VITREOUS FACEPLATE SEALED TOGETHER ALONG THEIR MARGINS, SAID FACEPLATE BEING GENERALLY PLANAR AND SAID BACKPLATE HAVING A LABYRINTHINE DISCHARGE CHANNELWAY FORMED THEREIN BY MEANS OF PARTITIONS WHICH SEAT AGAINST THE FACEPLATE, AT LEAST SAID FACEPLATE BEING COATED INTERNALLY WITH A PHOSPHOR, THE REGIONS WHERE SAID PARTITIONS UNDERLIE THE FACEPLATE APPEARING DARK BY CONTRAST WHEN THE LAMP IS LIT, AND APAQUE STRIPING APPLIED TO THE FACEPLATE OVER THE DARK AREAS OVERLYING THE PARTITIONS AND EXTENDING CONTINUOUSLY OVER ADJACENT BRIGHT AREAS IN ORDER TO COMOUFLAGE THE PATTERN OF THE DISCHARGE THROUGH SAID LABYRINTHINE CHANNELWAY.

References Cited (Backward Citations)

US2555749A Cited
US2987640A Cited
US3047763A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-03-28 1969-09-27 1970-03-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-03-28 1973-09-27 1974-03-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-03-28 1977-09-27 1978-03-29 $7700.00 Window Closed / Lapsed

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