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US4566374A Expired / Lapsed US ⏱️ 0.0 years remaining

Coffee maker

Assignee: US Philips Corp
•
Filing: 1984-09-07
•
Granted: 1986-01-28
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Expires: 2004-09-07
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Abstract

Abstract A coffee maker comprises a housing and a water tank supported by the housing. Included are a filter device and a flow heater having a heating element for heating water from the water tank and feeding the same to the filter device, the flow heater being positioned within the housing. A thermal cut-out is associated with the flow heater, and an on/off indicator lamp is situated adjacent the thermal cut-out. Provision is made for actuating the thermal cut-out and includes an actuator button having an opening and an actuating arm made of a transparent material and serving as a light guide when the indicator lamp is on, one end of the actuating arm being located near the indicator lamp and the other end of the actuating arm projecting through the opening in the actuator button.

Inventors

  • 👤 Pieter W. Medema
  • 👤 Elmo I. Benjamins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 20:19
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/04; A47J31/057; A47J31/0573

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 129 words
A coffee maker comprising a housing; a water tank supported by the housing; a filter device; a flow heater including a heating element for heating water from the water tank and feeding the same to the filter device, said flow heater being positioned within the housing; a thermal cut-out associated with the flow heater; an on/off indicator lamp situated adjacent the thermal cut-out; and means for actuating the thermal cut-out, said actuating means including an actuator button having an opening and an actuating arm made of a transparent material and serving as a light guide when the indicator lamp is on, one end of said actuating arm being located near the indicator lamp and the other end of said actuating arm projecting through the opening in the actuator button.
Claim 2
Dependent Claim 129 words
A coffee maker comprising a housing; a water tank supported by the housing; a filter device; a flow heater including a heating element for heating water from the water tank and feeding the same to the filter device, said flow heater being positioned within the housing; a thermal cut-out associated with the flow heater; an on/off indicator lamp situated adjacent the thermal cut-out; and means for actuating the thermal cut-out, said actuating means including an actuator button having an opening and an actuating arm made of a transparent material and serving as a light guide when the indicator lamp is on, one end of said actuating arm being located near the indicator lamp and the other end of said actuating arm projecting through the opening in the actuator button.
Claim 3
Dependent Claim 21 words
A coffee maker according to claim 1, in which the actuator button is arranged on the upper side of the housing.

References Cited (Backward Citations)

US3479949A Cited
US3693535A Cited
US3819928A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-01-27 1989-07-29 1990-01-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-01-27 1993-07-29 1994-01-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-01-27 1997-07-29 1998-01-28 $7700.00 Window Closed / Lapsed

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