Patent US4426920A successfully refreshed from Google Patents.
US4426920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coffee and tea making or brewing apparatus
Assignee: Hobart Manfacturing Co Ltd
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Filing: 1982-09-24
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Granted: 1984-01-24
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Expires: 2002-09-24
Abstract
Abstract An improved coffee or tea brewer having mounted within a casing a cold water tank and infusing arrangement with a water heater connected between the two and mounted under the tank, the heater having a cover for cleaning the water fed interior of the heater, the cover opening rearwardly and shielded from electrical components by a shield so that only the rear of the heater can be accessed from a rear access opening in the closing; the heater cover preferably has the heater inlet and outlet mounted thereon so that the heater can be more effectively cleaned.
Inventors
- 👤 M. K. Phillips
- 👤 Cecil Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:34
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/04; A47J31/057; A47J31/0573; A47J31/44; A47J31/54; A47J31/542
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
148 words
Apparatus for brewing or making coffee or tea comprising an exterior casing, an internal cold water tank mounted within and at the top of the casing, an inlet in the top of said casing communicating with said tank to replenish said tank with water, an infuser basket mounted to and forwardly of said casing above a dispensing position, an electrical heater with a heater element therein mounted in said casing below said tank, said heater provided with a rearwardly opening cover and electrical element leads extending from a forward portion of the heater body, a cold water-inlet connected to said tank, a hot water outlet connected to a spray head above said basket, a shield interposed between said cover and said leads and other electrical components of said apparatus, and a rearwardly opening rear plate to said casing which when open enables easy access to said heater cover.
Claim 2
Dependent Claim
148 words
Apparatus for brewing or making coffee or tea comprising an exterior casing, an internal cold water tank mounted within and at the top of the casing, an inlet in the top of said casing communicating with said tank to replenish said tank with water, an infuser basket mounted to and forwardly of said casing above a dispensing position, an electrical heater with a heater element therein mounted in said casing below said tank, said heater provided with a rearwardly opening cover and electrical element leads extending from a forward portion of the heater body, a cold water-inlet connected to said tank, a hot water outlet connected to a spray head above said basket, a shield interposed between said cover and said leads and other electrical components of said apparatus, and a rearwardly opening rear plate to said casing which when open enables easy access to said heater cover.
Claim 3
Dependent Claim
34 words
Apparatus as claimed in claim 1 wherein said water inlet and outlet are provided in said cover, and wherein flexible conduits extend from said inlet and outlet to said tank and spray head respectively.
Claim 4
Dependent Claim
29 words
Apparatus as claimed in claim 1 wherein said heater is provided with a drain cock whereby water in the heater can be drained down prior to opening the cover.
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) | 1987-01-23 | 1987-07-25 | 1988-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-23 | 1991-07-25 | 1992-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-23 | 1995-07-25 | 1996-01-24 | $7700.00 | Window Closed / Lapsed |