Patent US4262436A successfully refreshed from Google Patents.
US4262436A
Expired / Lapsed
US
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Display device with price-change cartridges
Assignee: Mead Corp
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Filing: 1979-11-20
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Granted: 1981-04-21
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Expires: 1999-11-20
Abstract
Abstract A display device such as is used to display information relating to the description and price of goods for sale comprises a facia panel (10) to which is attached one or more cartridges (20) each carrying self-coiling information strips (29,30,31) readily adjustable so that the information regarding the goods may be quickly and easily changed, the attaching means (27,28) provided on the cartridge (20) and the attaching means (13,14,15,16) provided on the facia panel (10) co-operating to provide a push-pull connection.
Inventors
- 👤 Joseph Clement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:50
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/24; G09F11/29; G09F3/00; G09F3/08; G09F3/18; G09F3/20; G09F7/00; G09F7/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
181 words
A display device comprising a facia (10) of translucent material, a cartridge (20) attached to the rear surface of said facia and including a carrier, at least one self-coiling information strip (29) bearing a series of characters and being mounted on said carrier for slidable adjustment whereby the characters can be sequentially displayed and are observable through the translucent material, and complementary attaching means provided on the rear surface of said facia and on said cartridge for attaching said cartridge to said facia, characterized in that said cartridge comprises a carrier of generally U-shaped cross section including a support surface (24) on which an uncoiled portion of said self-coiling strip displays a character, side walls (25, 26) extending rearwardly from said support surface, said side walls together with said support surface defining a storage cavity in which the coiled ends of said information strip are accommodated, and resilient legs (27, 28) extending from said support surface in a direction opposite to that of said side walls and arranged to engage said attaching means provided on the rear surface of said facia.
Claim 2
Dependent Claim
181 words
A display device comprising a facia (10) of translucent material, a cartridge (20) attached to the rear surface of said facia and including a carrier, at least one self-coiling information strip (29) bearing a series of characters and being mounted on said carrier for slidable adjustment whereby the characters can be sequentially displayed and are observable through the translucent material, and complementary attaching means provided on the rear surface of said facia and on said cartridge for attaching said cartridge to said facia, characterized in that said cartridge comprises a carrier of generally U-shaped cross section including a support surface (24) on which an uncoiled portion of said self-coiling strip displays a character, side walls (25, 26) extending rearwardly from said support surface, said side walls together with said support surface defining a storage cavity in which the coiled ends of said information strip are accommodated, and resilient legs (27, 28) extending from said support surface in a direction opposite to that of said side walls and arranged to engage said attaching means provided on the rear surface of said facia.
Claim 3
Dependent Claim
28 words
A display device according to claim 1 wherein the facia is a continuous translucent panel whereby a character displayed on the carrier is observable through the translucent material.
Claim 4
Dependent Claim
46 words
A display device according to claim 1 wherein each side wall includes a recess provided by a cut-away part of that wall, a portion of each information strip adjacent its coiled ends being received in the recess to restrain movement of the strip along the cartridge.
Claim 5
Dependent Claim
34 words
A display device according to claim 3 wherein a plurality of recesses are formed in the side walls whereby a series of strips can be carried by the cartridge in side by side relationship.
Claim 6
Dependent Claim
44 words
A display device according to claim 1 wherein the complementary attaching means includes at least one pair of projections provided on the rear surface of said facia and being spaced apart so as to provide a snap-on connection between the legs and the projections.
Claim 7
Dependent Claim
79 words
A display device according to claim 5 wherein an insert is slideably received between said pair of projections and interposed between said panel and said cartridge, each insert having a surface for displaying information observable through the translucent material and at least one recess defining a window area sized such that when the cartridge and insert are appropriately located on the panel a character displayed on the carrier is presented in the window and observable through the translucent material.
Claim 8
Dependent Claim
67 words
A display device according to claim 5 in which said projections comprise parallel rails extending across the back face of the facia and in which said legs are resiliently deformable, the legs of each pair being squeezed together, inserted between the rails and released so that the legs resiliently spring apart into abutment with the rails to provide a snap-on attachment between the carrier and the facia.
References Cited (Backward Citations)
US2121390A
Cited
US3159937A
Cited
US3685186A
Cited
US3660918A
Cited
US4095359A
Cited
US4136473A
Cited
US4171584A
Cited
US4195430A
Cited
US4177588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-04-20 | 1984-10-20 | 1985-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-20 | 1988-10-20 | 1989-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-20 | 1992-10-20 | 1993-04-21 | $7700.00 | Window Closed / Lapsed |