Patent US4975292A successfully refreshed from Google Patents.
US4975292A
Expired / Lapsed
US
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Flavored inserts for coffee filters or the like
Assignee: Individual
•
Filing: 1989-08-16
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Granted: 1990-12-04
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Expires: 2009-08-16
Abstract
Abstract Flavored inserts which can be impregnated with a desired flavor and placed inside of a conventional coffee filter. The insert permits the brewing water to filter through the filter without obstruction while imparting the desired flavor to the brewing water.
Inventors
- 👤 Carl J. Loizzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:03
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/46; A23F5/465; A47; A47J; A47J31/00; A47J31/06; A47J31/08
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
128 words
A porous fibrous insert for use with a conventional filter having sidewalls and a flat bottom used in drip brewing a liquid comprising: a shape retaining member comprising a porous fibrous filter material having a preselected beverage flavoring additive dispersed throughout the member, said additive being in a dried state and soluble in the presence of hot liquid; said insert being substantially thin and coextensive with said flat bottom of said filter, said member having an upper surface with a lower surface; and means for preventing the lower surface of said member from being flush with said flat bottom of said filter when said insert is placed in and supported on said flat bottom of said filter such that said lower surface is spaced from said flat bottom.
Claim 2
Dependent Claim
128 words
A porous fibrous insert for use with a conventional filter having sidewalls and a flat bottom used in drip brewing a liquid comprising: a shape retaining member comprising a porous fibrous filter material having a preselected beverage flavoring additive dispersed throughout the member, said additive being in a dried state and soluble in the presence of hot liquid; said insert being substantially thin and coextensive with said flat bottom of said filter, said member having an upper surface with a lower surface; and means for preventing the lower surface of said member from being flush with said flat bottom of said filter when said insert is placed in and supported on said flat bottom of said filter such that said lower surface is spaced from said flat bottom.
Claim 3
Dependent Claim
13 words
In the insert of claim 1 wherein said member is round and planar.
Claim 4
Dependent Claim
20 words
In the insert of claim 1 wherein said means comprises a downwardly depending peripheral support skirt extending from said member.
Claim 5
Dependent Claim
40 words
In the insert of claim 1 wherein said member is round and planar and wherein said means comprises a downwardly depending peripheral support skirt extending from said member, the lower edge of said skirt being spaced from said lower surface.
Claim 6
Dependent Claim
26 words
In the insert of claim 1 wherein said member has a plurality of spaced perforations therethrough greater in diameter than the porous openings in said member.
Claim 7
Dependent Claim
27 words
In the insert of claim 5 wherein said means comprises a downwardly depending peripheral skirt, the lowermost edge of said skirt being spaced from said lower surface.
Claim 8
Dependent Claim
16 words
In the insert of claim 6 wherein said member is round on the outer periphery thereof.
Claim 9
Dependent Claim
68 words
A filtering system for brewing coffee and simultaneously imparting a preselected flavor thereto comprising: a filter having a bottom planar wall of a porous fibrous material and an interconnected outwardly flared side wall of a porous fibrous material; and said porous fibrous insert as recited in claim 1; wherein said insert is supported on said bottom planar wall with said lower surface spaced from said bottom planar wall.
Claim 10
Dependent Claim
27 words
In the system of claim 8 wherein said means comprises a downwardly extending peripheral skirt spacing said lower surface from contact with said filter bottom planar wall.
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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) | 1993-12-03 | 1994-06-04 | 1994-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-03 | 1998-06-04 | 1998-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-03 | 2002-06-04 | 2002-12-04 | $7700.00 | Window Closed / Lapsed |