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Abstract
Abstract A SIGN INCLUDES A BOX-SHAPED HOUSING INCLUDING AN INTEGRAL CABINET HAVING AT LEAST ONE SIDE PROVIDING A WINDOW FOR DISPLAYING INDICIA. THE CABINET PROVIDES A TOP, BOTTOM AND ONE SIDE OF THE HOUSING TOGETHER WITH A FRAME FOR THE WINDOW. THE CABINET ALSO DEFINED ONE OPEN SIDE TO RECEIVE A CHASSIS ON WHICH IS MOUNTED A SOURCE OF LIGHT TO ILLUMINATE THE SIGN. AN ELECTRICAL RECEPTACLE IS MOUNTED ON THE INTERIOR OF THE CABINET, AND A MATING PLUG IS MOUNTED ON THE CHASSIS SO THAT THE PLUG DISCONNECTS FROM THE RECEPTACLE WHEN THE CHASSIS IS REMOVED FROM THE CABINET. ELECTRICAL POWER IS FED TO THE RECEPTACLE AND THENCE TO THE PLUG. WIRES ARE ROUTED THROUGH A RACEWAY PROVIDED IN THE PERIPHERY OF THE CHASSIS TO COUPLE TO SOCKETS MOUNTED ON OPPOSING SIDES OF THE CHASSIS AND WHICH RECEIVE THE FLUORESCENT TUBES. A DISPLAY SUBASSEMBLY IS RECEIVED IN A CHANNEL IN THE CABINET ADJACENT THE WINDOW, AND IT INCLUDES A FACEPLATE AND A DIFFUSION PLATE BEHIND IT. AN INDICIA-BEARING MEMBER AND A COLOR-PROVIDING FILM, IF ANY, ARE INTERPOSED BETWEEN THE FACEPLATE AND THE DIFFUSION PLATE.
Inventors
- 👤 Lindell E Mabrey
Bibliographic Details
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |