US4420112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portfolio construction
Assignee: Individual
•
Filing: 1981-05-06
•
Granted: 1983-12-13
•
Expires: 2001-05-06
Abstract
Abstract This portfolio construction can be made from a single sheet of light cardboard and it provides two covers hinged together and with each cover made with three layers of cardboard folded back on itself. Each cover has two pockets suitable for holding loose sheets. The inside panel of the back cover has a transverse slot into which the cardboard on the back of a writing pad can be inserted to retain and protect pad sheets when enclosed between the front and back covers of the portfolio; the pad sheets are exposed for ready writing when the portfolio covers are hinged open The only adhesive required is along one horizontal edge of each cover.
Inventors
- 👤 Robert C. Cline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:39
CPC Classifications
B; B42; B42F; B42F7/00; B42F7/06
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
194 words
A portfolio of one-piece pliant sheet construction, comprising front and back covers having spaced upper, lower and side edges, the covers being hinge-connected on a fold axis extending vertically between said upper and lower edges; each cover comprising an outer panel and a middle panel and an inner panel, the outer panels being connected to each other along the fold axis of hinge connection; the middle panel of each cover being a first extension of the associated outer panel vertically beyond one of said upper and lower edges thereof and folded along said one edge to lie in confronting outer-pocket-defining relation with the associated outer panel; the inner panel of each cover being a second and opposite extension of the associated outer panel vertically beyond the other of said upper and lower edges thereof and folded along said other edge to lie in confronting inner-pocket-defining relation with the associated middle panel; securing means fastening said inner and middle panels to each other essentially on an alignment adjacent and parallel to said one edge; and said side edges being unfastened to define pockets for the insertion of material between said outer, middle and inner panels.
Claim 2
Dependent Claim
194 words
A portfolio of one-piece pliant sheet construction, comprising front and back covers having spaced upper, lower and side edges, the covers being hinge-connected on a fold axis extending vertically between said upper and lower edges; each cover comprising an outer panel and a middle panel and an inner panel, the outer panels being connected to each other along the fold axis of hinge connection; the middle panel of each cover being a first extension of the associated outer panel vertically beyond one of said upper and lower edges thereof and folded along said one edge to lie in confronting outer-pocket-defining relation with the associated outer panel; the inner panel of each cover being a second and opposite extension of the associated outer panel vertically beyond the other of said upper and lower edges thereof and folded along said other edge to lie in confronting inner-pocket-defining relation with the associated middle panel; securing means fastening said inner and middle panels to each other essentially on an alignment adjacent and parallel to said one edge; and said side edges being unfastened to define pockets for the insertion of material between said outer, middle and inner panels.
Claim 3
Dependent Claim
15 words
A portfolio according to claim 1, in which said one edge is the lower edge.
Claim 4
Dependent Claim
29 words
A portfolio according to claim 1, in which said securing means is a folded tab extension of said inner panel, said tab being adhesively secured to said middle panel.
Claim 5
Dependent Claim
52 words
A portfolio according to claim 1, in which the inner panel of one of said covers has an elongate generally horizontal slit near its upper edge, whereby to insertably receive the cardboard panel of a pad of paper sheets tearably adhered at their upper edges to the upper-edge of said cardboard panel.
Claim 6
Dependent Claim
55 words
A portfolio according to claim 4, and including said pad, wherein the vertical offset of said slit from the lower edge of the associated inner panel is short of the top-to-bottom dimension of said cardboard panel, whereby the inserted cardboard panel receives bottoming support at the bottom connection of the associated inner and middle panels.
Claim 7
Dependent Claim
34 words
A portfolio according to claim 2, in which the upper edge of each of said middle panels extends substantially to the inside of the other-edge fold which connects the associated outer and inner panels.
Claim 8
Dependent Claim
24 words
A portfolio according to claim 6, in which said middle panels are connected directly to each other substantially only near their respective upper edges.
Claim 9
Dependent Claim
25 words
A portfolio according to claim 6, in which said inner panels are directly connected to each other at spaced locations substantially along the hinge axis.
Claim 10
Dependent Claim
31 words
A portfolio according to claim 8, in which said directly connected spaced locations are defined by and between spaced elongate slots in the otherwise continuous direct connection of said inner panels.
Claim 11
Dependent Claim
18 words
A portfolio according to claim 1, in which said securing means is the only means securing said construction.
References Cited (Backward Citations)
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US2306215A
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US3129872A
Cited
US3537728A
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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) | 1986-12-12 | 1987-06-13 | 1987-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-12 | 1991-06-13 | 1991-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-12 | 1995-06-13 | 1995-12-13 | $7700.00 | Window Closed / Lapsed |