US4382402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable coffee maker
Assignee: Individual
•
Filing: 1981-08-12
•
Granted: 1983-05-10
•
Expires: 2001-08-12
Abstract
Abstract A portable coffee maker (10) is adapted to be used with a package of ground coffee (58) and a package of water (40). The coffee maker (10) includes a water heating chamber (12) and a coffee brewing chamber (14) Within the water heating chamber (12) is a device (38) to pierce the package of water (40) and a perculator (30) to heat the water (W) and direct it to the brewing chamber (14). The brewing chamber (14) included a tray (56) to hold the package of ground coffee (58) and a pedestal (60) to position a cup (62) therein to receive the brewed coffee (C).
Inventors
- 👤 Donald E. Alvarez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:18
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/04; A47J31/057; A47J31/005
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
131 words
A portable coffee maker adapted to be used with a package of ground coffee and a package of water to provide brewed coffee in a cup comprising, a first chamber defined by walls to receive water to be heated, a second chamber defined by walls for brewing the coffee, first means in said first chamber to pierce the package of water, second means in said first chamber to heat the water and direct the same to said second chamber, first means in said second chamber to hold the package of ground coffee in position to permit the heated water received from said first chamber to pass therethrough, and second means in said second chamber to position the cup below said first means in said second chamber to receive brewed coffee therein.
Claim 2
Dependent Claim
131 words
A portable coffee maker adapted to be used with a package of ground coffee and a package of water to provide brewed coffee in a cup comprising, a first chamber defined by walls to receive water to be heated, a second chamber defined by walls for brewing the coffee, first means in said first chamber to pierce the package of water, second means in said first chamber to heat the water and direct the same to said second chamber, first means in said second chamber to hold the package of ground coffee in position to permit the heated water received from said first chamber to pass therethrough, and second means in said second chamber to position the cup below said first means in said second chamber to receive brewed coffee therein.
Claim 3
Dependent Claim
30 words
A portable coffee maker according to claim 1 wherein said first means in said first chamber includes a pointed member extending from one of said walls of said first chamber.
Claim 4
Dependent Claim
21 words
A portable coffee maker according to claim 2 wherein said pointed member is mounted near the top of said first chamber.
Claim 5
Dependent Claim
19 words
A portable coffee maker according to claim 1 wherein said second means in said first chamber includes a perculator.
Claim 6
Dependent Claim
33 words
A portable coffee maker according to claim 4, further comprising a well in said first chamber closely surrounding said perculator so that only a small amount of water will communicate with said perculator.
Claim 7
Dependent Claim
42 words
A portable coffee maker according to claim 4 wherein said first and second chambers have a common wall and said second means in said first chamber further includes tubing extending from said perculator, through said common wall, and into said second chamber.
Claim 8
Dependent Claim
29 words
A portable coffee maker according to claim 1 further comprising third means in said second chamber to receive the heated water from said second means in said first chamber.
Claim 9
Dependent Claim
43 words
A portable coffee maker according to claim 7 wherein said second chamber has one open wall and said first means in said second chamber is a tray slidable into said second chamber through said open wall to a position beneath said third means.
Claim 10
Dependent Claim
18 words
A portable coffee maker according to claim 8 wherein both said third means and said tray are perforated.
Claim 11
Dependent Claim
32 words
A portable coffee maker according to claim 8 further comprising at least one arm member extending from at least one wall of said second chamber, said arm member supporting said third means.
Claim 12
Dependent Claim
28 words
A portable coffee maker according to claim 10 further comprising at least one bracket having flanges supported by said arm member, said tray being slidable on said flanges.
Claim 13
Dependent Claim
42 words
A portable coffee maker according to claim 1 wherein said second chamber has one open wall and said second means in said second chamber includes a pedestal having a U-shaped cavity therein into which the cup is slid through said open wall.
Claim 14
Dependent Claim
40 words
A portable coffee maker according to claim 12 wherein the lateral extent of said U-shaped cavity determines the position of the cup in said second chamber so that the cup is positioned below said first means in said second chamber.
Claim 15
Dependent Claim
30 words
A portable coffee maker according to claim 1 wherein said first and second chambers have a common wall and further comprising lid means covering both said first and second chambers.
Claim 16
Dependent Claim
28 words
A portable coffee maker according to claim 1 wherein the package of water includes a pierceable plastic package and a quantity of water sufficient to fill the cup.
Claim 17
Dependent Claim
31 words
A portable coffee maker according to claim 1 wherein the package of ground coffee includes a filter-like package and a quantity of ground coffee sufficient to make one cup of coffee.
Claim 18
Dependent Claim
19 words
A portable coffee maker according to claim 1 further comprising an open compartment on the outside of said chambers.
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) | 1986-05-09 | 1986-11-08 | 1987-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-05-09 | 1990-11-08 | 1991-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-05-09 | 1994-11-08 | 1995-05-10 | $7700.00 | Window Closed / Lapsed |