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US3659355A Expired / Lapsed US ⏱️ 0.0 years remaining

Wall mounted combination chalkboard, projector screen and information display apparatus

Assignee: Individual
•
Filing: 1970-11-02
•
Granted: 1972-05-02
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Expires: 1990-11-02
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Abstract

Abstract An upright wall supported receptacle having a compound back wall including a chalkboard, an oppositely disposed open front side, a projector screen supported on the receptacle and being selectively movable into and out of confronting juxtaposition relative to the chalkboard, and wing extensions comprising tack boards pivotally connected on the receptacle for swinging movement toward one another to close the open side of the receptacle.

Inventors

  • 👤 Adelard L Aubin Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 16:44
CPC Classifications
B; B43; B43L; B43L1/00; B43L1/04; B43L1/06

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 403 words
In combination, a compartmentalized chalkboard, tack board and projector screen unit, said unit comprising: a normally upright hollow continuous rectangular frame having open front and back sides, said frame including oppositely disposed vertically spaced confronting and substantially parallel top and bottom frame members, and oppositely disposed laterally spaced confronting and substantially parallel side frame members; first closure means extending between and spanning said frame members to close said back side of said frame, said first closure means at least in part including a chalkboard confronting said open front side of said frame; a front wall connected to said top wall aNd depending therefrom to span between the upper ends of said side frame members, said front wall being disposed in spaced confronting relationship relative to an upper portion of said first closure means and cooperating therewith and with said top wall to define a first downwardly opening compartment; projector screen means supported on said side walls and disposed in said first compartment, said projector screen means having a leading end portion selectively extendible downwardly and outwardly from said first compartment for juxtaposition relative to said chalkboard; second closure means comprising a plurality of wing elements; means pivotally connecting one of said wing elements on, respectively, one of said side frame members for pivotal movement in one direction towards one another to close across said open side of said frame, and for pivotal movement in an opposite direction to open away from said open side of said frame; a tack board mounted and supported on one side of, respectively, each of said wing elements, said tack boards being concealed when said wing elements are pivoted to close across said open side of said frame; means in said frame dividing the lower end of said unit into a plurality of compartments opening into said open side of said frame, said last named means comprising an elongated normally horizontal platform extending in vertically spaced relation relative to said bottom wall to define a second compartment communicating with said first compartment, said platform having its opposed ends fixedly connected, respectively, on said side frame members; a divider wall interposed between said platform and said bottom frame member forming therewith and with confronting portions of said side frame members a plurality of compartments opening into said front side of said unit and disposed in end-to-end relationship; and closure means for said open ends of said plurality of compartments.
Claim 2
Dependent Claim 403 words
In combination, a compartmentalized chalkboard, tack board and projector screen unit, said unit comprising: a normally upright hollow continuous rectangular frame having open front and back sides, said frame including oppositely disposed vertically spaced confronting and substantially parallel top and bottom frame members, and oppositely disposed laterally spaced confronting and substantially parallel side frame members; first closure means extending between and spanning said frame members to close said back side of said frame, said first closure means at least in part including a chalkboard confronting said open front side of said frame; a front wall connected to said top wall aNd depending therefrom to span between the upper ends of said side frame members, said front wall being disposed in spaced confronting relationship relative to an upper portion of said first closure means and cooperating therewith and with said top wall to define a first downwardly opening compartment; projector screen means supported on said side walls and disposed in said first compartment, said projector screen means having a leading end portion selectively extendible downwardly and outwardly from said first compartment for juxtaposition relative to said chalkboard; second closure means comprising a plurality of wing elements; means pivotally connecting one of said wing elements on, respectively, one of said side frame members for pivotal movement in one direction towards one another to close across said open side of said frame, and for pivotal movement in an opposite direction to open away from said open side of said frame; a tack board mounted and supported on one side of, respectively, each of said wing elements, said tack boards being concealed when said wing elements are pivoted to close across said open side of said frame; means in said frame dividing the lower end of said unit into a plurality of compartments opening into said open side of said frame, said last named means comprising an elongated normally horizontal platform extending in vertically spaced relation relative to said bottom wall to define a second compartment communicating with said first compartment, said platform having its opposed ends fixedly connected, respectively, on said side frame members; a divider wall interposed between said platform and said bottom frame member forming therewith and with confronting portions of said side frame members a plurality of compartments opening into said front side of said unit and disposed in end-to-end relationship; and closure means for said open ends of said plurality of compartments.
Claim 3
Dependent Claim 35 words
The combination of claim 1 wherein: said closure means for said plurality of compartments comprises, respectively, a drawer disposed in each of said plurality of compartments and slidably supported therein on said bottom frame member.
Claim 4
Dependent Claim 116 words
The combination of claim 2 wherein: said projector screen means comprises an elongated shaft, a cylindrical roller mounted on said shaft intermediate the ends thereof, and a flexible screen normally wound on said cylindrical roller and having a leading end; bracket means on said side frame members and disposed in said first compartment for securing the opposed ends of said shaft therein between said first closure means and said front wall to conceal said projector means; and handle means connected with said screen for withdrawing said screen from its said cylindrical roller and through the open lower end of said first compartment for extension into said second compartment and into juxtaposed position transversely across said chalkboard.
Claim 5
Dependent Claim 73 words
The combination of claim 3 wherein: each of said wing elements includes a support wall, said tack boards being, respectively, superimposed against one side of said support wall; said wing elements each including a peripheral frame circumscribing the peripheral edges of said support wall and said tack board; and an open masking and locking frame secured on said peripheral frame and engaging over the peripheral marginal edges of each of said tack boards.
Claim 6
Dependent Claim 51 words
The combination of claim 1 wherein: each of said wing elements is formed with a recess in a side thereof concealed when said wing elements are closed across said open side of said unit; and said tack board for each wing is fitted and secured in, respectively, one of said recesses.
Claim 7
Dependent Claim 27 words
The combination of claim 1 wherein: said front wall is formed with an outwardly opening recess; and a tack board is fitted and secured in said recess.
Claim 8
Dependent Claim 78 words
The combination of claim 1 wherein: said closure means for said open ends of said plurality of compartments each compRises a normally upright wall extending across, respectively, each of said open ends when in their respective closed positions; means pivotally connecting each of said last named walls on said bottom wall of said unit for pivotal movement downwardly and away therefrom to an open position; and means releasably securing said last named walls in their respective closed positions.
Claim 9
Dependent Claim 87 words
The combination of claim 1 wherein: said closure means for said open ends of said plurality of compartments comprises a normally upright wall extending across, respectively, each of said open ends of said compartments when in their respective closed position: means pivotally connecting each of said last named walls on said bottom wall of said unit for pivotal movement downwardly and away therefrom to an open position; and means releasably securing said last named walls in their respective closed positions, said last named means comprising magnet means.
Claim 10
Dependent Claim 41 words
The combination of claim 1 wherein: said wing elements are each formed with a recess in a side thereof exposed when said wing elements are in their closed positions; and a finish panel is fitted and secured, respectively, in each recess.
Claim 11
Dependent Claim 73 words
The combination of claim 1 wherein: each of said wing elements is formed with a recess in a side thereof concealed when said wing elements are closed across said open side of said unit; said tack board for each wing is fitted and secured in, respectively, one of said recesses; said front wall is formed with an outwardly opening recess; and a tack board is fitted and secured in said last named recess.
Claim 12
Dependent Claim 141 words
The combination of claim 10 wherein: said closure means for said open end of said plurality of compartments comprises a normally upright wall extending across, respectively, each of said open ends of said compartments when said closure means are in their respective closed positions; means pivotally connecting each of said last named means on said bottom wall of said unit for pivotal movement downwardly and away therefrom to an open position; means for limiting said downward movement of said last named walls; means releasably securing said last named walls in their respective closed positions, said last named means comprising magnet means; said wing elements are each formed with a recess in an exposed side thereof when said wing elements are in their respective closed positions; and a finish panel is fitted and secured, respectively, in each of said last named recesses.

References Cited (Backward Citations)

US516005A Cited
US864090A Cited
US1006481A Cited
US1272645A Cited
US1284492A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-05-02 1975-11-01 1976-05-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-05-02 1979-11-01 1980-05-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-05-02 1983-11-01 1984-05-02 $7700.00 Window Closed / Lapsed

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