Patent US4981588A successfully refreshed from Google Patents.
US4981588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter for making coffee drinks that includes supporting members
Assignee: Jacobs Suchard GmbH
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Filing: 1988-11-03
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Granted: 1991-01-01
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Expires: 2008-11-03
Abstract
Abstract A filter for making filtered drinks, such as coffee, includes a filter bag and supporting members connected to the filter bag for supporting the filter on the rim of a vessel, such as a cup. The supporting members are adapted to be moved from a flat folded configuration to a position in which the supporting members are substantially horizontally oriented for being positioned on the rim of the cup.
Inventors
- 👤 Jean Poulallion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:53
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/02
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
207 words
A stand-up filter for making filtered drinks in a vessel having a rim, comprising: an upwardly open filter bag; at least two supporting members for supporting the filter bag on the vessel; means for pivotally connecting each supporting member to the filter bag so that the supporting members can be moved from a folded position in which the supporting members lie substantially flat against the filter bag to an unfolded substantially horizontal supporting position in which the supporting members are adapted to be placed on the rim of the vessel, each of said supporting members being a substantially flat frame that, in the unfolded position, surrounds a portion of the filter bag; position securing means forming a part of each supporting member for frictionally engaging lateral clamping faces of said filter bag when said supporting members are moved to the substantially horizontal supporting position to thereby secure the supporting members in the substantially horizontal supporting position as a result of the frictional engagement between the position securing means and the lateral clamping faces; and central reinforcement pieces connected to opposite upper regions of the filter bag, said means for pivotally connecting including each of said supporting members being hingedly connected to one of said central reinforcement pieces.
Claim 2
Dependent Claim
207 words
A stand-up filter for making filtered drinks in a vessel having a rim, comprising: an upwardly open filter bag; at least two supporting members for supporting the filter bag on the vessel; means for pivotally connecting each supporting member to the filter bag so that the supporting members can be moved from a folded position in which the supporting members lie substantially flat against the filter bag to an unfolded substantially horizontal supporting position in which the supporting members are adapted to be placed on the rim of the vessel, each of said supporting members being a substantially flat frame that, in the unfolded position, surrounds a portion of the filter bag; position securing means forming a part of each supporting member for frictionally engaging lateral clamping faces of said filter bag when said supporting members are moved to the substantially horizontal supporting position to thereby secure the supporting members in the substantially horizontal supporting position as a result of the frictional engagement between the position securing means and the lateral clamping faces; and central reinforcement pieces connected to opposite upper regions of the filter bag, said means for pivotally connecting including each of said supporting members being hingedly connected to one of said central reinforcement pieces.
Claim 3
Dependent Claim
33 words
The filter according to claim 1, wherein said lateral clamping faces of said filter bag are defined by lateral reinforcement pieces attached to the filter bag at positions adjoining the central reinforcement pieces.
Claim 4
Dependent Claim
18 words
The filter according to claim 2, wherein said lateral reinforcement pieces are formed as separate pieces from cardboard.
Claim 5
Dependent Claim
46 words
The filter according to claim 2, including joining edges formed between each central reinforcement piece and the adjoining lateral reinforcement pieces, said joining edges forming folding points for the filter bag such that the upper region of the filter bag defines a polygonal shape when unfolded.
Claim 6
Dependent Claim
32 words
The filter according to claim 1, wherein each of said central reinforcement pieces and the supporting member to which the central reinforcement piece is attached are formed as one piece from cardboard.
Claim 7
Dependent Claim
186 words
A stand-up filter for making filtered drinks in a vessel having a rim, comprising: an upwardly open filter bag; at least two supporting members for supporting the filter bag on the vessel; means for pivotally connecting each supporting member to the filter bag so that the supporting members can be moved from a folded position in which the supporting members lie substantially flat against the filter bag to an unfolded substantially horizontal supporting position in which the supporting members are adapted to be placed on the rim of the vessel; position securing means forming a part of each supporting member for frictionally engaging lateral clamping faces of said filter bag when said supporting members are moved to the substantially horizontal supporting position to thereby secure the supporting members in the substantially horizontal supporting position as a result of the frictional engagement between the position securing means and the lateral clamping faces; and a central reinforcement piece connected to opposite upper regions of the filter bag, said means for pivotally connecting including each of said supporting members being hingedly connected to one of said central reinforcement pieces.
Claim 8
Dependent Claim
186 words
A stand-up filter for making filtered drinks in a vessel having a rim, comprising: an upwardly open filter bag; at least two supporting members for supporting the filter bag on the vessel; means for pivotally connecting each supporting member to the filter bag so that the supporting members can be moved from a folded position in which the supporting members lie substantially flat against the filter bag to an unfolded substantially horizontal supporting position in which the supporting members are adapted to be placed on the rim of the vessel; position securing means forming a part of each supporting member for frictionally engaging lateral clamping faces of said filter bag when said supporting members are moved to the substantially horizontal supporting position to thereby secure the supporting members in the substantially horizontal supporting position as a result of the frictional engagement between the position securing means and the lateral clamping faces; and a central reinforcement piece connected to opposite upper regions of the filter bag, said means for pivotally connecting including each of said supporting members being hingedly connected to one of said central reinforcement pieces.
Claim 9
Dependent Claim
33 words
The filter according to claim 6, wherein said lateral clamping faces of said filter bag are defined by lateral reinforcement pieces attached to the filter bag at positions adjoining the central reinforcement pieces.
Claim 10
Dependent Claim
18 words
The filter according to claim 7, wherein said lateral reinforcement pieces are formed as separate pieces from cardboard.
Claim 11
Dependent Claim
46 words
The filter according to claim 7, including joining edges formed between each central reinforcement piece and the adjoining lateral reinforcement pieces, said joining edges forming folding points for the filter bag such that the upper region of the filter bag defines a polygonal shape when unfolded.
Claim 12
Dependent Claim
33 words
The filter according to claim 6, wherein each of said central reinforcement pieces and the supporting member to which the central reinforcement piece is attached are fabricated as a single piece from cardboard.
Claim 13
Dependent Claim
157 words
A stand-up filter for making filtered drinks in a vessel, comprising: an upwardly open filter bag; and at least two supporting members hingedly connected to opposite sides of said filter bag for supporting the filter bag on the vessel, said supporting members being hingedly connected to the filter bag so that said supporting members can be moved from a folded position in which the supporting members lie substantially flat against the filter bag to an unfolded substantially horizontal supporting position in which the supporting members are adapted to be positioned on a rim of the vessel, each of said supporting members including spaced apart lateral clamping wings that frictionally engage lateral clamping faces of the filter bag when the supporting members are moved to the substantially horizontal position such that the supporting members are secured in the substantially horizontal position as a result of the frictional engagement between the lateral clamping faces and the lateral clamping wings.
Claim 14
Dependent Claim
157 words
A stand-up filter for making filtered drinks in a vessel, comprising: an upwardly open filter bag; and at least two supporting members hingedly connected to opposite sides of said filter bag for supporting the filter bag on the vessel, said supporting members being hingedly connected to the filter bag so that said supporting members can be moved from a folded position in which the supporting members lie substantially flat against the filter bag to an unfolded substantially horizontal supporting position in which the supporting members are adapted to be positioned on a rim of the vessel, each of said supporting members including spaced apart lateral clamping wings that frictionally engage lateral clamping faces of the filter bag when the supporting members are moved to the substantially horizontal position such that the supporting members are secured in the substantially horizontal position as a result of the frictional engagement between the lateral clamping faces and the lateral clamping wings.
Claim 15
Dependent Claim
18 words
The filter according to claim 11, including central reinforcing pieces attached to opposite sides of said filter bag.
Claim 16
Dependent Claim
33 words
The filter according to claim 12, wherein said lateral clamping faces of said filter bag are defined by lateral reinforcement pieces attached to the filter bag at positions adjoining the central reinforcement pieces.
Claim 17
Dependent Claim
46 words
The filter according to claim 13, including joining edges formed between each central reinforcement piece and the adjoining lateral reinforcement pieces, said joining edges forming folding points for the filter bag such that the upper region of the filter bag defines a polygonal shape when unfolded.
Claim 18
Dependent Claim
55 words
The filter according to claim 12, wherein each of said supporting members include a middle part positioned between the spaced apart lateral clamping wings, the hinged connection between the supporting members and the filter bag being defined by the middle part of each supporting member being hingedly connected to one of said central reinforcing pieces.
Claim 19
Dependent Claim
21 words
The filter according to claim 11, wherein said lateral clamping wings include arcuate edges that frictionally engage the lateral clamping faces.
Claim 20
Dependent Claim
35 words
The filter according to claim 11, wherein each of said supporting members includes a substantially flat frame that surrounds a portion of the filter bag when the supporting member is in the substantially horizontal position.
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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) | 1993-12-31 | 1994-07-02 | 1995-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-31 | 1998-07-02 | 1999-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-31 | 2002-07-02 | 2003-01-01 | $7700.00 | Window Closed / Lapsed |