US3641918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic coffee dispenser
Assignee: Individual
•
Filing: 1969-11-28
•
Granted: 1972-02-15
•
Expires: 1989-11-28
Abstract
Abstract A coffee dispensing apparatus including a refrigerating chamber for a liquid coffee concentrate; a water heater having a float controlled solenoid for maintaining a predetermined level of water within said water heater; a coffee concentrate dispensing line extending through said water heater to a mixing bowl, a pump for pumping concentrate to the mixing bowl, a hot waterline from the water heater to the mixing bowl and a solenoid valve to control the discharge of hot water from said water heater. An electrical circuit including a pair of timing cams is provided for sequentially discharging a predetermined amount of coffee concentrate and hot water into the mixing bowl to produce a single cup of coffee at a time.
Inventors
- 👤 George M Schellgell
- 👤 Ward J Torke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:24
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/007; A47J31/40; A47J31/401; A47J31/41
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
92 words
An automatic coffee dispensing apparatus for dispensing a predetermined amount of coffee, said apparatus including a mixing bowl having an outlet conduit, a hot water heater, means for dispensing a predetermined amount of hot water from said heater to said mixing bowl, a container for liquid coffee concentrate, means for refrigerating said concentrate, means for dispensing a predetermined amount of concentrate into said mixing bowl, and means for preheating said concentrate prior to dispensing into said mixing bowl, whereby said combined predetermined amount of concentrate and water are sufficient for one serving.
Claim 2
Dependent Claim
92 words
An automatic coffee dispensing apparatus for dispensing a predetermined amount of coffee, said apparatus including a mixing bowl having an outlet conduit, a hot water heater, means for dispensing a predetermined amount of hot water from said heater to said mixing bowl, a container for liquid coffee concentrate, means for refrigerating said concentrate, means for dispensing a predetermined amount of concentrate into said mixing bowl, and means for preheating said concentrate prior to dispensing into said mixing bowl, whereby said combined predetermined amount of concentrate and water are sufficient for one serving.
Claim 3
Dependent Claim
18 words
An automatic coffee dispensing apparatus according to claim 1 wherein said concentrate is dispensed before said hot water.
Claim 4
Dependent Claim
19 words
An apparatus according to claim 1 wherein said preheating means include a coil section supported within said water heater.
Claim 5
Dependent Claim
114 words
An automatic coffee dispensing apparatus for dispensing coffee into a container, said apparatus comprising a housing having a refrigerating chamber and a mixing bowl, a liquid coffee concentrate container positioned within said refrigerating chamber for retaining liquid concentrate, a hot water heater for retaining hot water, and a mixing bowl having an outlet conduit positioned to dispense coffee into the container, means for dispensing a predetermined amount of liquid concentrate into said mixing bowl, means for preheating said liquid coffee concentrate prior to dispensing said concentrate into said mixing bowl, and means for dispensing a predetermined amount of hot water into said mixing bowl, the combined said predetermined amounts being sufficient for one serving.
Claim 6
Dependent Claim
114 words
An automatic coffee dispensing apparatus for dispensing coffee into a container, said apparatus comprising a housing having a refrigerating chamber and a mixing bowl, a liquid coffee concentrate container positioned within said refrigerating chamber for retaining liquid concentrate, a hot water heater for retaining hot water, and a mixing bowl having an outlet conduit positioned to dispense coffee into the container, means for dispensing a predetermined amount of liquid concentrate into said mixing bowl, means for preheating said liquid coffee concentrate prior to dispensing said concentrate into said mixing bowl, and means for dispensing a predetermined amount of hot water into said mixing bowl, the combined said predetermined amounts being sufficient for one serving.
Claim 7
Dependent Claim
23 words
An automatic coffee dispensing apparatus according to claim 4 wherein said concentrate dispensing means is actuated prior to said hot water dispensing means.
Claim 8
Dependent Claim
21 words
An automatic coffee dispensing apparatus according to claim 4 wherein said mixing bowl includes a cover having an air expansion tube.
Claim 9
Dependent Claim
22 words
An automatic coffee dispensing apparatus according to claim 4 wherein said preheating means includes a coil section positioned within said water heater.
Claim 10
Dependent Claim
126 words
An automatic coffee dispensing apparatus for dispensing coffee into a container, said apparatus comprising a housing for a refrigerating chamber, an enclosed mixing bowl positioned in said housing and including a downwardly inclined bottom wall and a drain in the bottom wall for discharging hot coffee to the container, means for relieving pressure within said enclosed mixing bowl, a liquid coffee concentrate container refrigerated in the housing of said coffee container, a hot water heater for retaining hot water, means for dispensing a predetermined amount of coffee into said mixing bowl, and means for dispensing a predetermined amount of hot water into said mixing bowl, the combined said predetermined amounts being directed by said downwardly inclined walls toward said drain and being sufficient for one serving.
Claim 11
Dependent Claim
126 words
An automatic coffee dispensing apparatus for dispensing coffee into a container, said apparatus comprising a housing for a refrigerating chamber, an enclosed mixing bowl positioned in said housing and including a downwardly inclined bottom wall and a drain in the bottom wall for discharging hot coffee to the container, means for relieving pressure within said enclosed mixing bowl, a liquid coffee concentrate container refrigerated in the housing of said coffee container, a hot water heater for retaining hot water, means for dispensing a predetermined amount of coffee into said mixing bowl, and means for dispensing a predetermined amount of hot water into said mixing bowl, the combined said predetermined amounts being directed by said downwardly inclined walls toward said drain and being sufficient for one serving.
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) | 1975-02-14 | 1975-08-16 | 1976-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-14 | 1979-08-16 | 1980-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-14 | 1983-08-16 | 1984-02-15 | $7700.00 | Window Closed / Lapsed |