US4086848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for brewing individual cups of coffee
Assignee: Individual
•
Filing: 1977-01-26
•
Granted: 1978-05-02
•
Expires: 1997-01-26
Abstract
Abstract A receptacle, which is positionable inside a coffee cup, has an encompassing sidewall, an open top and an open bottom; a filter may be releasably coupled to said open bottom for retaining coffee grounds in said receptacle when hot water is poured into said receptacle for brewing coffee in said cup.
Inventors
- 👤 Harry L. Hahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:24
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
168 words
A device for brewing coffee in a cup having an encompassing sidewall, a closed bottom and an open top, said device comprising; (A) a receptacle including an encompassing sidewall having an inner surface, an open bottom and an open top, said receptacle sidewall being of smaller diameter than said cup sidewall, whereby said receptacle will fit inside said cup, said receptacle having an outwardly-projecting annular collar encompassing said receptacle open bottom; (B) a filter closing said receptacle open bottom; and (C) a filter retainer releaseably coupled to said receptacle for securing said filter to said receptacle open bottom, said filter retainer including: (a) an encompassing sidewall having an inner surface, an open bottom and an open top; (b) an inwardly-directed annular collar encompassing said filter-retainer inner surface at said filter-retainer open top for engagement with said outwardly-projecting annular collar, whereby said releaseable coupling is effected; (c) a circular-shaped member; and (d) a plurality of struts affixing said circular-shaped member in said filter-retainer open bottom for supporting said filter.
Claim 2
Independent Claim
168 words
A device for brewing coffee in a cup having an encompassing sidewall, a closed bottom and an open top, said device comprising; (A) a receptacle including an encompassing sidewall having an inner surface, an open bottom and an open top, said receptacle sidewall being of smaller diameter than said cup sidewall, whereby said receptacle will fit inside said cup, said receptacle having an outwardly-projecting annular collar encompassing said receptacle open bottom; (B) a filter closing said receptacle open bottom; and (C) a filter retainer releaseably coupled to said receptacle for securing said filter to said receptacle open bottom, said filter retainer including: (a) an encompassing sidewall having an inner surface, an open bottom and an open top; (b) an inwardly-directed annular collar encompassing said filter-retainer inner surface at said filter-retainer open top for engagement with said outwardly-projecting annular collar, whereby said releaseable coupling is effected; (c) a circular-shaped member; and (d) a plurality of struts affixing said circular-shaped member in said filter-retainer open bottom for supporting said filter.
Claim 3
Dependent Claim
47 words
A device as stated in claim 1 including a plurality of protuberances affixed to said inner surface of said receptacle sidewall adjacent said receptacle open bottom at a position which is slightly above said struts for holding said filter down on said circular-shaped member and said struts.
Claim 4
Dependent Claim
21 words
A device as stated in claim 2 wherein said filter is a fine-mesh screen of sufficient fineness to retain coffee grounds.
Claim 5
Dependent Claim
69 words
A device as stated in claim 1 including: a handle affixed to said receptacle adjacent said receptacle open top; and a tab affixed to said receptacle adjacent said receptacle open top in the same plane as said handle and 180° from said handle, said handle and said tab being dimensioned so as to engage said cup sidewall at said cup open top for supporting said receptacle in said cup.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-01 | 1981-10-31 | 1982-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-01 | 1985-10-31 | 1986-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-01 | 1989-10-31 | 1990-05-02 | $7700.00 | Window Closed / Lapsed |