US3703720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighted display box having means for encasing lamp structure
Assignee: Individual
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Filing: 1972-01-10
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Granted: 1972-11-21
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Expires: 1992-01-10
Abstract
Abstract Lighted readout displays are assembled in a wide variety of forms from a selection of open ended boxes that are contained in a bezel cut and assembled from a uniform strip. The strip secures an indicating window in front of the boxes and securing a bulb carrying bus plate and a spring contact containing insulated back plate behind the boxes, the strip having a front flange extending in front of the window, containing integrally formed rearward extending assembly hooks securing the back plate in the bezel, and containing a stop ridge on which said back plate is seated within the bezel.
Inventors
- 👤 Joseph M Cartelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:54
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22; G08B5/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
331 words
A strip for use in assembly of a lighted readout display, said display having a core containing box-like openings therein extending from front to back to said core, an indicating window disposed in front of said core having light passing areas indicating at least portions of messages, a bus-plate containing an array of apertures disposed behind said core with at least one of said apertures underlying each box-like opening in said core, bulbs extending through at least some of the apertures in said bus-plate into at least some of the box-like openings in said core, said bus-plate making an electrical contact with all said bulbs, an insulating back plate a spaced distance behind said bus-plate , and means making an electrical contact with said busplate; said core, said indicating window, said bus-plate, and said back plate being substantially the same size; said strip comprising, in combination, a strip to be miter cut in four lengths to form a bezel, said strip having a flat body portion, a front flange extending inward and outward on the front edge of said body portion, mounting clips integrally formed as forward extending tongues in said strip, said mounting clips extending outward from said flat body portion to terminate behind the outward extending portion of said front flange, a stop ridge formed on the inner side of said flat body portion near its rear edge, and rearwardly extending tongues integrally formed from said strip and having inward facing hook portions extending inward behind said stop ridge, said mounting clips and said rearwardly extending tongues being formed at spaced intervals along said strip, said strip, when formed into a bezel, having said indicating window, said core, and said bus-plate disposed in said bezel and retained therein by said inward extending portion of said front flange, said strip having said back plate rest on said stop ridge and having said back plate held on said stop ridge by said inward facing hook portions of said rearwardly extending tongues.
Claim 2
Dependent Claim
331 words
A strip for use in assembly of a lighted readout display, said display having a core containing box-like openings therein extending from front to back to said core, an indicating window disposed in front of said core having light passing areas indicating at least portions of messages, a bus-plate containing an array of apertures disposed behind said core with at least one of said apertures underlying each box-like opening in said core, bulbs extending through at least some of the apertures in said bus-plate into at least some of the box-like openings in said core, said bus-plate making an electrical contact with all said bulbs, an insulating back plate a spaced distance behind said bus-plate , and means making an electrical contact with said busplate; said core, said indicating window, said bus-plate, and said back plate being substantially the same size; said strip comprising, in combination, a strip to be miter cut in four lengths to form a bezel, said strip having a flat body portion, a front flange extending inward and outward on the front edge of said body portion, mounting clips integrally formed as forward extending tongues in said strip, said mounting clips extending outward from said flat body portion to terminate behind the outward extending portion of said front flange, a stop ridge formed on the inner side of said flat body portion near its rear edge, and rearwardly extending tongues integrally formed from said strip and having inward facing hook portions extending inward behind said stop ridge, said mounting clips and said rearwardly extending tongues being formed at spaced intervals along said strip, said strip, when formed into a bezel, having said indicating window, said core, and said bus-plate disposed in said bezel and retained therein by said inward extending portion of said front flange, said strip having said back plate rest on said stop ridge and having said back plate held on said stop ridge by said inward facing hook portions of said rearwardly extending tongues.
References Cited (Backward Citations)
US3573814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |