US4055114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Appliance for making coffee and the like
Assignee: US Philips Corp
•
Filing: 1976-03-31
•
Granted: 1977-10-25
•
Expires: 1996-03-31
Abstract
Abstract An appliance for making coffee, having a water reservoir and a filtering device including a filter holder, is provided with a lever arrangement pivotally connecting the filter holder and a movable element responsive to the water level in the reservoir so that the desired ratio between the amounts of water and coffee is obtained.
Inventors
- 👤 Mindert Kats
- 👤 Hendrikus Bernardus Sleumer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:12
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/04; A47J31/057; A47J31/0573; A47J31/40; A47J31/404
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
92 words
An appliance for making coffee and the like, which comprises a housing for a water reservoir and a filtering device including a filter holder, a movable element responsive to the level of the water in the water reservoir, and a lever pivotally supported by the housing and pivotally supporting the filter holder, one end of the lever being pivotally attached to the movable element, whereby a desired ratio between the amount of water in the water reservoir and the amount of substance in the filter holder to be filtered can be obtained.
Claim 2
Dependent Claim
92 words
An appliance for making coffee and the like, which comprises a housing for a water reservoir and a filtering device including a filter holder, a movable element responsive to the level of the water in the water reservoir, and a lever pivotally supported by the housing and pivotally supporting the filter holder, one end of the lever being pivotally attached to the movable element, whereby a desired ratio between the amount of water in the water reservoir and the amount of substance in the filter holder to be filtered can be obtained.
Claim 3
Dependent Claim
18 words
An appliance according to claim 1, in which the movable element comprises a float in the water reservoir.
Claim 4
Dependent Claim
23 words
An appliance according to claim 1, in which the movable element comprises a separate vertically movable vessel in communication with the water reservoir.
Claim 5
Dependent Claim
29 words
An appliance according to claim 1, which includes means to adjust the leverage ratio and thereby the ratio between the amounts of water and the substance to be filtered.
Claim 6
Dependent Claim
24 words
An appliance according to claim 1, which includes means to indicate the ratio between the amounts of water and the substance to be filtered.
References Cited (Backward Citations)
US1524928A
Cited
US2209831A
Cited
US2661201A
Cited
US2846938A
Cited
US2926234A
Cited
US3246524A
Cited
US3348468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-10-24 | 1981-04-25 | 1981-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-24 | 1985-04-25 | 1985-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-24 | 1989-04-25 | 1989-10-25 | $7700.00 | Window Closed / Lapsed |