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US3608514A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic dishwasher indicator for cleaned or soiled dishes therein

Assignee: Individual
•
Filing: 1969-04-03
•
Granted: 1971-09-28
•
Expires: 1989-04-03
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Abstract

Abstract A two-state fluid tilt or position indicator in which a casing is provided with a midwall to catch dishwasher fluid during the dishwashing operation, and discharges such fluid caught within a first chamber of the casing into a second chamber, and said second chamber of the casing discharging the dishwasher fluid into the dishwasher chamber, or other exhaust means, when the door of the dishwasher is opened and tilt sufficiently forward to evacuate the fluid from said first chamber. Also provided is a float in the first chamber, the float having a stem with a diversity indication of discs thereon, and an indicator window so that one disk is presented through the window when the one chamber is containing the dishwasher fluid and the other disk is presented through the indicator window when said one chamber has been discharged of said fluid.

Inventors

  • 👤 Edward L Dunn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 22:55
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4418; G; G01; G01F; G01F23/00; G01F23/30; G01F23/56; G01F23/58

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 159 words
A dishwasher indicator, comprising a casing mounted within the dishwasher door and having a top passageway and a bottom passageway extending therefrom in fluid communication with the inside of the dishwasher, an aperture in the top wall thereof, a single chamber mounted against the inner wall of said casing between said passageways forming a space between the tops of said casing and said chamber, a float within said chamber, and a stem indicator extending from the top of said float through said aperture, said stem indicator being raised to a certain level above said casing only upon completion of the dishwashing operation due to the entrance of water into said chamber by means of said top passageway, the fluid in said chamber flowing into said casing when the door is tilted from the upright position and flowing from said casing into the dishwasher by means of said lower passageway when the door is swung back to the upright position.
Claim 2
Dependent Claim 159 words
A dishwasher indicator, comprising a casing mounted within the dishwasher door and having a top passageway and a bottom passageway extending therefrom in fluid communication with the inside of the dishwasher, an aperture in the top wall thereof, a single chamber mounted against the inner wall of said casing between said passageways forming a space between the tops of said casing and said chamber, a float within said chamber, and a stem indicator extending from the top of said float through said aperture, said stem indicator being raised to a certain level above said casing only upon completion of the dishwashing operation due to the entrance of water into said chamber by means of said top passageway, the fluid in said chamber flowing into said casing when the door is tilted from the upright position and flowing from said casing into the dishwasher by means of said lower passageway when the door is swung back to the upright position.

References Cited (Backward Citations)

US1173117A Cited
US2475080A Cited
US3187954A Cited
US3127902A Cited
US3371535A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-09-27 1975-03-29 1975-09-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-27 1979-03-29 1979-09-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-27 1983-03-29 1983-09-28 $7700.00 Window Closed / Lapsed

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