Patent US4520716A successfully refreshed from Google Patents.
US4520716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drip-type coffee making apparatus
Assignee: Individual
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Filing: 1984-03-19
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Granted: 1985-06-04
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Expires: 2004-03-19
Abstract
Abstract A drip-type coffee-making apparatus which includes a closed-wall vessel having an open top, and an open bottom, a hinged lid integrally formed with the wall of the vessel, a mesh extended across and fixed to the interior of the vessel proximate the bottom end, a ridge formed around the perimeter of the vessel at the bottom, a shallow coffee-holding basket the top of which has a groove which fits the ridge of the brewing vessel, a filter support, and a support for the vessel and basket at the bottom of the basket for placing the apparatus on a coffee receptacle, preferably a cup.
Inventors
- 👤 Susan M. Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:58
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/02
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
197 words
A drip-type coffee-making apparatus comprising: a closed-wall vessel having an open top end for introducing hot water into said vessel and an open bottom end, said vessel comprising a means for closing said top end, a water distribution means extended across and fixed along its circumference to the interior wall of said vessel proximate to the bottom end, and a first attachment means at the bottom end of said vessel, and a shallow coffee-holding basket having a closed bottom and circumferential wall substantially coextensive with the wall of said vessel; said wall of said basket having a second attachment means at the top thereof which fits cooperatively with said first attachment means of said vessel to form a seal around the circumference thereof resulting in a composite water-tight walled structure, said basket further comprising a filter-support means on the interior of said closed bottom for lining with a coffee filter, at least one drain hole in said basket bottom whereby liquid passes through said bottom, and a basket support means on the exterior of said closed bottom whereby said basket and, thus, said composite structure is supported on the rim of the opening of a coffee receptacle.
Claim 2
Dependent Claim
197 words
A drip-type coffee-making apparatus comprising: a closed-wall vessel having an open top end for introducing hot water into said vessel and an open bottom end, said vessel comprising a means for closing said top end, a water distribution means extended across and fixed along its circumference to the interior wall of said vessel proximate to the bottom end, and a first attachment means at the bottom end of said vessel, and a shallow coffee-holding basket having a closed bottom and circumferential wall substantially coextensive with the wall of said vessel; said wall of said basket having a second attachment means at the top thereof which fits cooperatively with said first attachment means of said vessel to form a seal around the circumference thereof resulting in a composite water-tight walled structure, said basket further comprising a filter-support means on the interior of said closed bottom for lining with a coffee filter, at least one drain hole in said basket bottom whereby liquid passes through said bottom, and a basket support means on the exterior of said closed bottom whereby said basket and, thus, said composite structure is supported on the rim of the opening of a coffee receptacle.
Claim 3
Dependent Claim
29 words
The coffee-making apparatus of claim 1, wherein said means for closing said top end of said vessel is a hinged lid formed integrally with the wall of said vessel.
Claim 4
Dependent Claim
14 words
The coffee-making apparatus of claim 1, wherein the shape of said apparatus is circular.
Claim 5
Dependent Claim
31 words
The coffee-making apparatus of claim 1, wherein said filter support means comprises upwardly oriented ridges extending radially inward from the wall of said basket at substantially equal distances from each other.
Claim 6
Dependent Claim
13 words
The coffee-making apparatus of claim 4, wherein there are eight upwardly oriented ridges.
Claim 7
Dependent Claim
31 words
the coffee-making apparatus of claim 1, wherein said basket support means comprises downwardly oriented ridges extending radially inward from the wall of said basket at substantially equal distances from each other.
Claim 8
Dependent Claim
13 words
The coffee-making apparatus of claim 6, wherein there are eight downwardly oriented ridges.
Claim 9
Dependent Claim
18 words
The coffee-making apparatus of claim 1, wherein there are two drain holes in the bottom of said basket.
Claim 10
Dependent Claim
32 words
The coffee-making apparatus of claim 1, wherein said bottom of said basket further comprises a breather slot in said closed bottom for preventing formation of a total vacuum in said composite structure.
Claim 11
Dependent Claim
22 words
The coffee-making apparatus of claim 9, wherein said breather slot extends radially from said wall to the center of said closed bottom.
Claim 12
Dependent Claim
25 words
The coffee-making apparatus of claim 1 which is designed to make one cup of coffee and to fit over the top of a coffee cup.
Claim 13
Dependent Claim
22 words
The coffee-making apparatus of claim 11, wherein the diameter of the top of said cup is not more than about 4 inches.
Claim 14
Dependent Claim
20 words
The coffee-making apparatus of claim 1, wherein the outside wall of said vessel has a non-slip holding means formed thereon.
Claim 15
Dependent Claim
25 words
The coffee-making apparatus of claim 13, wherein said holding means is series of grooves located at positions where a user normally grasps said coffee-making apparatus.
Claim 16
Dependent Claim
94 words
The coffee-making apparatus of claim 1, wherein said first attachment means is an outwardly projecting ridge extending continuously around the perimeter of the wall of said vessel at the lower end thereof and said second attachment means is an inwardly oriented groove extending continuously around the inside of the wall of said basket at the open top end thereof, said groove having an opening sufficient to receive said outwardly projecting ridge and to form a seal therewith, whereby said vessel is snapped into a water-tight seal with said basket to form said composite structure.
Claim 17
Dependent Claim
45 words
The coffee-making apparatus of claim 1 wherein said first attachment means is one of a thread and a cooperting spiraling groove and said second attachment means is the other of said thread and said cooperating spiraling groove whereby said vessel is screwed onto said basket.
References Cited (Backward Citations)
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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) | 1988-06-03 | 1988-12-03 | 1989-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-03 | 1992-12-03 | 1993-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-03 | 1996-12-03 | 1997-06-04 | $7700.00 | Window Closed / Lapsed |