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US4592840A Expired / Lapsed US ⏱️ 0.0 years remaining

Easy reach coffee filters and optional reusable storage container

Assignee: Individual
•
Filing: 1985-07-22
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Granted: 1986-06-03
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Expires: 2005-07-22
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Abstract

Abstract Circular sections of coffee filter papers are interconnected along a portion of their sides, the paper being perforated along the lines where adjacent sections meet. The sections are pressed into the shape of cups alternately concave upward and downward and stacked inside one another by folding along the perforated line, the stack of coffee filter cups being placed in a dispensing box having a top opening.

Inventors

  • 👤 David L. Brooks

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:24
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/06; A47J31/08; Y; Y10; Y10S; Y10S206/00; Y10S206/82

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 142 words
A coffee filters assembly, comprising, in combination, an elongated, strip of filter paper die-cut into a row of a plurality of interconnected circular sections having an interconnection therebetween, said interconnection comprising a short length of uncut abutting peripheries of adjacent said sections, a straight row of perforations across said interconnection, a peripheral portion of each said section being radially folded forming a plurality of flutes and shaping said section into a cup, each adjacent said cup being dished into opposite directions, a fold along each said row of perforations, each alternate said fold being in the same direction and opposite to the said folds therebetween, whereby all said cups are nested one into another; and said assembly including a dispenser for said cups, said dispenser comprising an open-topped inner box containing said nested cups and a hinged-covered box containing said inner box.
Claim 2
Dependent Claim 142 words
A coffee filters assembly, comprising, in combination, an elongated, strip of filter paper die-cut into a row of a plurality of interconnected circular sections having an interconnection therebetween, said interconnection comprising a short length of uncut abutting peripheries of adjacent said sections, a straight row of perforations across said interconnection, a peripheral portion of each said section being radially folded forming a plurality of flutes and shaping said section into a cup, each adjacent said cup being dished into opposite directions, a fold along each said row of perforations, each alternate said fold being in the same direction and opposite to the said folds therebetween, whereby all said cups are nested one into another; and said assembly including a dispenser for said cups, said dispenser comprising an open-topped inner box containing said nested cups and a hinged-covered box containing said inner box.

References Cited (Backward Citations)

US3444791A Cited
US3800954A Cited
US3836044A Cited
US3979020A Cited
US4200200A Cited
US4159772A Cited
US4362623A Cited
US4469243A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-06-02 1989-12-02 1990-06-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-06-02 1993-12-02 1994-06-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-06-02 1997-12-02 1998-06-03 $7700.00 Window Closed / Lapsed

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