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US3601916A Expired / Lapsed US ⏱️ 0.0 years remaining

Paperboard foldable screen

Assignee: WW International Inc
•
Filing: 1969-10-13
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Granted: 1971-08-31
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Expires: 1989-10-13
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Abstract

Abstract A speaker or lecturer''s screen is made of foldable paperboard, foldable into an area of a single large panel of the screen. The panels in erected or unerected form are rigidized by paperboard supports. The sections in open position are interlockable. The screen may also exhibit display material.

Inventors

  • 👤 Stanley H Epstein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 14:51
CPC Classifications
A; A47; A47G; A47G5/00

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 279 words
A foldable paperboard screen having a first section, said first section having a face portion and a rear portion; said first section including a large panel; a hinged small panel on one side of said large panel; another hinged panel opposite said other small panel on said large panel, the faces of said small panels adapted to swing on said hinges to open and close, said faces opposite said large panel face when in closed position, a second section, said second section having a face portion and a rear portion; said second section including a large panel; a hinged small panel on one side of said large panel; another hinged panel opposite said other small panel on said large panel; the faces of said small panels adapted to swing on said hinges to open and close, said faces opposite said large panel face when in closed position, said first section and second section hingeably joined at a free side to open and close, the backs of said large panels adapted to swing on said hinges to be facing each other when in closed position, and said opposite small panels of said first and second sections including vertical support means extending rearward when in open position, said opposite small panels including horizontal support means, said first and second section small panels interlockable when said screen is in open position, said vertical support means including integral paperboard folds, said first and second section small panels including horizontal support means juxtaposed when said screen is in open position, said large panels including horizontal support means juxtaposed when said screen is in open position, said juxtaposed support means joined to form a hinge.
Claim 2
Dependent Claim 279 words
A foldable paperboard screen having a first section, said first section having a face portion and a rear portion; said first section including a large panel; a hinged small panel on one side of said large panel; another hinged panel opposite said other small panel on said large panel, the faces of said small panels adapted to swing on said hinges to open and close, said faces opposite said large panel face when in closed position, a second section, said second section having a face portion and a rear portion; said second section including a large panel; a hinged small panel on one side of said large panel; another hinged panel opposite said other small panel on said large panel; the faces of said small panels adapted to swing on said hinges to open and close, said faces opposite said large panel face when in closed position, said first section and second section hingeably joined at a free side to open and close, the backs of said large panels adapted to swing on said hinges to be facing each other when in closed position, and said opposite small panels of said first and second sections including vertical support means extending rearward when in open position, said opposite small panels including horizontal support means, said first and second section small panels interlockable when said screen is in open position, said vertical support means including integral paperboard folds, said first and second section small panels including horizontal support means juxtaposed when said screen is in open position, said large panels including horizontal support means juxtaposed when said screen is in open position, said juxtaposed support means joined to form a hinge.
Claim 3
Dependent Claim 17 words
The invention of claim 1 wherein said large panel of said second section includes vertical support means.
Claim 4
Dependent Claim 23 words
The invention of claim 1 wherein said large panel of said second section includes vertical support means extending rearward when in open position.
Claim 5
Dependent Claim 21 words
The invention of claim 1 wherein said vertical support means include additional horizontal support means attached to said vertical support means.
Claim 6
Dependent Claim 24 words
The invention of claim 1 including a plurality of openings in at least one panel said openings adapted to engageably hold intelligence bearing matter.
Claim 7
Dependent Claim 27 words
The invention of claim 1 wherein said vertical support means is a lockable paperboard folded easel adapted to lie flat when said screen is in closed position.
Claim 8
Dependent Claim 38 words
The invention of claim 1 wherein said large panels of said first and second sections each including the vertical flaps along their sides, said vertical flaps joined to contiguous support means of said small panels to form hinges.
Claim 9
Dependent Claim 24 words
The invention of claim 1 wherein said small panels interlockable means when said screen is in open position comprises slot and flap interlock means.

References Cited (Backward Citations)

US1210215A Cited
US1714550A Cited
US2345913A Cited
US2373778A Cited
US3242603A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-08-30 1975-03-01 1975-08-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-08-30 1979-03-01 1979-08-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-08-30 1983-03-01 1983-08-31 $7700.00 Window Closed / Lapsed

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