Patent US4592840A successfully refreshed from Google Patents.
US4592840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy reach coffee filters and optional reusable storage container
Assignee: Individual
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Filing: 1985-07-22
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Granted: 1986-06-03
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Expires: 2005-07-22
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 21:53
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.
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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) | 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 |