US3243630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent panel lamp faceplate with opaque striping
Assignee: General Electric Co
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Filing: 1962-01-02
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Granted: 1966-03-29
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Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 William C Martyny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:19
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)
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 |